Home / 1,617.16-2,229.92-1,092.28

Finding the Fourth Proportional to 1,617.16, 2,229.92 and 1,092.28

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Solution

The fourth proportional to 1,617.16, 2,229.92 and 1,092.28 is: 1,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.16 : 2,229.92 = 1,092.28 : x
  2. Step 2: Convert to fraction form
    1,617.16/2,229.92 = 1,092.28/x
  3. Step 3: Cross multiply
    1,617.16x = 2,229.92 × 1,092.28
  4. Step 4: Simplify right side
    1,617.16x = 2,435,691.56
  5. Step 5: Solve for x
    x = 2,435,691.56/1,617.16
  6. Step 6: Final answer
    x = 1,506.15

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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.