Home / 5,325,421.70-7,988,132.55-4,475,116.10

Finding the Fourth Proportional to 5,325,421.70, 7,988,132.55 and 4,475,116.10

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Solution

The fourth proportional to 5,325,421.70, 7,988,132.55 and 4,475,116.10 is: 6,712,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325,421.70 : 7,988,132.55 = 4,475,116.10 : x
  2. Step 2: Convert to fraction form
    5,325,421.70/7,988,132.55 = 4,475,116.10/x
  3. Step 3: Cross multiply
    5,325,421.70x = 7,988,132.55 × 4,475,116.10
  4. Step 4: Simplify right side
    5,325,421.70x = 35,747,820,583,439.05
  5. Step 5: Solve for x
    x = 35,747,820,583,439.05/5,325,421.70
  6. Step 6: Final answer
    x = 6,712,674.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.