Home / 3,753.32-5,179.91-2,261.03

Finding the Fourth Proportional to 3,753.32, 5,179.91 and 2,261.03

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Solution

The fourth proportional to 3,753.32, 5,179.91 and 2,261.03 is: 3,120.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.32 : 5,179.91 = 2,261.03 : x
  2. Step 2: Convert to fraction form
    3,753.32/5,179.91 = 2,261.03/x
  3. Step 3: Cross multiply
    3,753.32x = 5,179.91 × 2,261.03
  4. Step 4: Simplify right side
    3,753.32x = 11,711,931.91
  5. Step 5: Solve for x
    x = 11,711,931.91/3,753.32
  6. Step 6: Final answer
    x = 3,120.42

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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.