Home / 5,711.91-7,882.68-3,194.02

Finding the Fourth Proportional to 5,711.91, 7,882.68 and 3,194.02

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Solution

The fourth proportional to 5,711.91, 7,882.68 and 3,194.02 is: 4,407.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.91 : 7,882.68 = 3,194.02 : x
  2. Step 2: Convert to fraction form
    5,711.91/7,882.68 = 3,194.02/x
  3. Step 3: Cross multiply
    5,711.91x = 7,882.68 × 3,194.02
  4. Step 4: Simplify right side
    5,711.91x = 25,177,437.57
  5. Step 5: Solve for x
    x = 25,177,437.57/5,711.91
  6. Step 6: Final answer
    x = 4,407.88

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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.