Home / 3,882.25-5,359.68-2,972.04

Finding the Fourth Proportional to 3,882.25, 5,359.68 and 2,972.04

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Solution

The fourth proportional to 3,882.25, 5,359.68 and 2,972.04 is: 4,103.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.25 : 5,359.68 = 2,972.04 : x
  2. Step 2: Convert to fraction form
    3,882.25/5,359.68 = 2,972.04/x
  3. Step 3: Cross multiply
    3,882.25x = 5,359.68 × 2,972.04
  4. Step 4: Simplify right side
    3,882.25x = 15,929,168.49
  5. Step 5: Solve for x
    x = 15,929,168.49/3,882.25
  6. Step 6: Final answer
    x = 4,103.08

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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.