Home / 7,702.75-11,553.67-2,155.97

Finding the Fourth Proportional to 7,702.75, 11,553.67 and 2,155.97

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Solution

The fourth proportional to 7,702.75, 11,553.67 and 2,155.97 is: 3,233.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.75 : 11,553.67 = 2,155.97 : x
  2. Step 2: Convert to fraction form
    7,702.75/11,553.67 = 2,155.97/x
  3. Step 3: Cross multiply
    7,702.75x = 11,553.67 × 2,155.97
  4. Step 4: Simplify right side
    7,702.75x = 24,909,365.91
  5. Step 5: Solve for x
    x = 24,909,365.91/7,702.75
  6. Step 6: Final answer
    x = 3,233.83

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1.5x scale

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.