Home / 7,395.20-11,092.80-3,691.88

Finding the Fourth Proportional to 7,395.20, 11,092.80 and 3,691.88

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Solution

The fourth proportional to 7,395.20, 11,092.80 and 3,691.88 is: 5,537.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.20 : 11,092.80 = 3,691.88 : x
  2. Step 2: Convert to fraction form
    7,395.20/11,092.80 = 3,691.88/x
  3. Step 3: Cross multiply
    7,395.20x = 11,092.80 × 3,691.88
  4. Step 4: Simplify right side
    7,395.20x = 40,953,286.46
  5. Step 5: Solve for x
    x = 40,953,286.46/7,395.20
  6. Step 6: Final answer
    x = 5,537.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.