Home / 5,132.76-7,701.28-3,285.96

Finding the Fourth Proportional to 5,132.76, 7,701.28 and 3,285.96

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Solution

The fourth proportional to 5,132.76, 7,701.28 and 3,285.96 is: 4,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.76 : 7,701.28 = 3,285.96 : x
  2. Step 2: Convert to fraction form
    5,132.76/7,701.28 = 3,285.96/x
  3. Step 3: Cross multiply
    5,132.76x = 7,701.28 × 3,285.96
  4. Step 4: Simplify right side
    5,132.76x = 25,306,098.03
  5. Step 5: Solve for x
    x = 25,306,098.03/5,132.76
  6. Step 6: Final answer
    x = 4,930.31

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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.