Home / 7,691.46-11,537.28-2,764.62

Finding the Fourth Proportional to 7,691.46, 11,537.28 and 2,764.62

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Solution

The fourth proportional to 7,691.46, 11,537.28 and 2,764.62 is: 4,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.46 : 11,537.28 = 2,764.62 : x
  2. Step 2: Convert to fraction form
    7,691.46/11,537.28 = 2,764.62/x
  3. Step 3: Cross multiply
    7,691.46x = 11,537.28 × 2,764.62
  4. Step 4: Simplify right side
    7,691.46x = 31,896,195.03
  5. Step 5: Solve for x
    x = 31,896,195.03/7,691.46
  6. Step 6: Final answer
    x = 4,146.96

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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.