Home / 5,517.17-7,613.82-3,159.26

Finding the Fourth Proportional to 5,517.17, 7,613.82 and 3,159.26

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Solution

The fourth proportional to 5,517.17, 7,613.82 and 3,159.26 is: 4,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.17 : 7,613.82 = 3,159.26 : x
  2. Step 2: Convert to fraction form
    5,517.17/7,613.82 = 3,159.26/x
  3. Step 3: Cross multiply
    5,517.17x = 7,613.82 × 3,159.26
  4. Step 4: Simplify right side
    5,517.17x = 24,053,998.90
  5. Step 5: Solve for x
    x = 24,053,998.90/5,517.17
  6. Step 6: Final answer
    x = 4,359.85

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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.