Home / 5,517.44-7,613.88-3,159.13

Finding the Fourth Proportional to 5,517.44, 7,613.88 and 3,159.13

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Solution

The fourth proportional to 5,517.44, 7,613.88 and 3,159.13 is: 4,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.44 : 7,613.88 = 3,159.13 : x
  2. Step 2: Convert to fraction form
    5,517.44/7,613.88 = 3,159.13/x
  3. Step 3: Cross multiply
    5,517.44x = 7,613.88 × 3,159.13
  4. Step 4: Simplify right side
    5,517.44x = 24,053,217.69
  5. Step 5: Solve for x
    x = 24,053,217.69/5,517.44
  6. Step 6: Final answer
    x = 4,359.49

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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.