Home / 6,631-9,951.18-3,168.52

Finding the Fourth Proportional to 6,631, 9,951.18 and 3,168.52

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Solution

The fourth proportional to 6,631, 9,951.18 and 3,168.52 is: 4,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631 : 9,951.18 = 3,168.52 : x
  2. Step 2: Convert to fraction form
    6,631/9,951.18 = 3,168.52/x
  3. Step 3: Cross multiply
    6,631x = 9,951.18 × 3,168.52
  4. Step 4: Simplify right side
    6,631x = 31,530,512.85
  5. Step 5: Solve for x
    x = 31,530,512.85/6,631
  6. Step 6: Final answer
    x = 4,755.02

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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.