Home / 7,726.92-11,591.40-2,531.04

Finding the Fourth Proportional to 7,726.92, 11,591.40 and 2,531.04

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Solution

The fourth proportional to 7,726.92, 11,591.40 and 2,531.04 is: 3,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.92 : 11,591.40 = 2,531.04 : x
  2. Step 2: Convert to fraction form
    7,726.92/11,591.40 = 2,531.04/x
  3. Step 3: Cross multiply
    7,726.92x = 11,591.40 × 2,531.04
  4. Step 4: Simplify right side
    7,726.92x = 29,338,297.06
  5. Step 5: Solve for x
    x = 29,338,297.06/7,726.92
  6. Step 6: Final answer
    x = 3,796.89

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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.