Home / 3,748.38-5,171.96-2,175.63

Finding the Fourth Proportional to 3,748.38, 5,171.96 and 2,175.63

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Solution

The fourth proportional to 3,748.38, 5,171.96 and 2,175.63 is: 3,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.38 : 5,171.96 = 2,175.63 : x
  2. Step 2: Convert to fraction form
    3,748.38/5,171.96 = 2,175.63/x
  3. Step 3: Cross multiply
    3,748.38x = 5,171.96 × 2,175.63
  4. Step 4: Simplify right side
    3,748.38x = 11,252,276.77
  5. Step 5: Solve for x
    x = 11,252,276.77/3,748.38
  6. Step 6: Final answer
    x = 3,001.90

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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.