Home / 5,198.28-7,175.19-3,626.88

Finding the Fourth Proportional to 5,198.28, 7,175.19 and 3,626.88

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Solution

The fourth proportional to 5,198.28, 7,175.19 and 3,626.88 is: 5,006.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.28 : 7,175.19 = 3,626.88 : x
  2. Step 2: Convert to fraction form
    5,198.28/7,175.19 = 3,626.88/x
  3. Step 3: Cross multiply
    5,198.28x = 7,175.19 × 3,626.88
  4. Step 4: Simplify right side
    5,198.28x = 26,023,553.11
  5. Step 5: Solve for x
    x = 26,023,553.11/5,198.28
  6. Step 6: Final answer
    x = 5,006.19

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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.