Home / 5,113.70-7,050.97-3,521.19

Finding the Fourth Proportional to 5,113.70, 7,050.97 and 3,521.19

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Solution

The fourth proportional to 5,113.70, 7,050.97 and 3,521.19 is: 4,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.70 : 7,050.97 = 3,521.19 : x
  2. Step 2: Convert to fraction form
    5,113.70/7,050.97 = 3,521.19/x
  3. Step 3: Cross multiply
    5,113.70x = 7,050.97 × 3,521.19
  4. Step 4: Simplify right side
    5,113.70x = 24,827,805.05
  5. Step 5: Solve for x
    x = 24,827,805.05/5,113.70
  6. Step 6: Final answer
    x = 4,855.15

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.