Home / 7,377.29-11,059.25-3,680.66

Finding the Fourth Proportional to 7,377.29, 11,059.25 and 3,680.66

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Solution

The fourth proportional to 7,377.29, 11,059.25 and 3,680.66 is: 5,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.29 : 11,059.25 = 3,680.66 : x
  2. Step 2: Convert to fraction form
    7,377.29/11,059.25 = 3,680.66/x
  3. Step 3: Cross multiply
    7,377.29x = 11,059.25 × 3,680.66
  4. Step 4: Simplify right side
    7,377.29x = 40,705,265.41
  5. Step 5: Solve for x
    x = 40,705,265.41/7,377.29
  6. Step 6: Final answer
    x = 5,517.65

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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.