Home / 3,992.28-5,505.03-2,498.43

Finding the Fourth Proportional to 3,992.28, 5,505.03 and 2,498.43

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Solution

The fourth proportional to 3,992.28, 5,505.03 and 2,498.43 is: 3,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.28 : 5,505.03 = 2,498.43 : x
  2. Step 2: Convert to fraction form
    3,992.28/5,505.03 = 2,498.43/x
  3. Step 3: Cross multiply
    3,992.28x = 5,505.03 × 2,498.43
  4. Step 4: Simplify right side
    3,992.28x = 13,753,932.10
  5. Step 5: Solve for x
    x = 13,753,932.10/3,992.28
  6. Step 6: Final answer
    x = 3,445.13

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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.