Home / 5,516.07-7,612.17-3,158.19

Finding the Fourth Proportional to 5,516.07, 7,612.17 and 3,158.19

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Solution

The fourth proportional to 5,516.07, 7,612.17 and 3,158.19 is: 4,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.07 : 7,612.17 = 3,158.19 : x
  2. Step 2: Convert to fraction form
    5,516.07/7,612.17 = 3,158.19/x
  3. Step 3: Cross multiply
    5,516.07x = 7,612.17 × 3,158.19
  4. Step 4: Simplify right side
    5,516.07x = 24,040,679.17
  5. Step 5: Solve for x
    x = 24,040,679.17/5,516.07
  6. Step 6: Final answer
    x = 4,358.30

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.