Home / 3,753.70-5,180.28-2,262.08

Finding the Fourth Proportional to 3,753.70, 5,180.28 and 2,262.08

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Solution

The fourth proportional to 3,753.70, 5,180.28 and 2,262.08 is: 3,121.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.70 : 5,180.28 = 2,262.08 : x
  2. Step 2: Convert to fraction form
    3,753.70/5,180.28 = 2,262.08/x
  3. Step 3: Cross multiply
    3,753.70x = 5,180.28 × 2,262.08
  4. Step 4: Simplify right side
    3,753.70x = 11,718,207.78
  5. Step 5: Solve for x
    x = 11,718,207.78/3,753.70
  6. Step 6: Final answer
    x = 3,121.78

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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.