Home / 3,747.67-5,172.26-2,175.73

Finding the Fourth Proportional to 3,747.67, 5,172.26 and 2,175.73

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Solution

The fourth proportional to 3,747.67, 5,172.26 and 2,175.73 is: 3,002.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.67 : 5,172.26 = 2,175.73 : x
  2. Step 2: Convert to fraction form
    3,747.67/5,172.26 = 2,175.73/x
  3. Step 3: Cross multiply
    3,747.67x = 5,172.26 × 2,175.73
  4. Step 4: Simplify right side
    3,747.67x = 11,253,417.44
  5. Step 5: Solve for x
    x = 11,253,417.44/3,747.67
  6. Step 6: Final answer
    x = 3,002.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.