Home / 5,149.62-7,725.56-1,862.37

Finding the Fourth Proportional to 5,149.62, 7,725.56 and 1,862.37

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Solution

The fourth proportional to 5,149.62, 7,725.56 and 1,862.37 is: 2,793.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.62 : 7,725.56 = 1,862.37 : x
  2. Step 2: Convert to fraction form
    5,149.62/7,725.56 = 1,862.37/x
  3. Step 3: Cross multiply
    5,149.62x = 7,725.56 × 1,862.37
  4. Step 4: Simplify right side
    5,149.62x = 14,387,841.87
  5. Step 5: Solve for x
    x = 14,387,841.87/5,149.62
  6. Step 6: Final answer
    x = 2,793.96

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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.