Home / 7,713.73-11,569.13-3,761.02

Finding the Fourth Proportional to 7,713.73, 11,569.13 and 3,761.02

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Solution

The fourth proportional to 7,713.73, 11,569.13 and 3,761.02 is: 5,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.73 : 11,569.13 = 3,761.02 : x
  2. Step 2: Convert to fraction form
    7,713.73/11,569.13 = 3,761.02/x
  3. Step 3: Cross multiply
    7,713.73x = 11,569.13 × 3,761.02
  4. Step 4: Simplify right side
    7,713.73x = 43,511,709.79
  5. Step 5: Solve for x
    x = 43,511,709.79/7,713.73
  6. Step 6: Final answer
    x = 5,640.82

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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.