Home / 5,516.92-7,613.17-3,158.90

Finding the Fourth Proportional to 5,516.92, 7,613.17 and 3,158.90

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Solution

The fourth proportional to 5,516.92, 7,613.17 and 3,158.90 is: 4,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.92 : 7,613.17 = 3,158.90 : x
  2. Step 2: Convert to fraction form
    5,516.92/7,613.17 = 3,158.90/x
  3. Step 3: Cross multiply
    5,516.92x = 7,613.17 × 3,158.90
  4. Step 4: Simplify right side
    5,516.92x = 24,049,242.71
  5. Step 5: Solve for x
    x = 24,049,242.71/5,516.92
  6. Step 6: Final answer
    x = 4,359.18

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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.