Home / 5,906.28-8,151.78-3,516.78

Finding the Fourth Proportional to 5,906.28, 8,151.78 and 3,516.78

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Solution

The fourth proportional to 5,906.28, 8,151.78 and 3,516.78 is: 4,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.28 : 8,151.78 = 3,516.78 : x
  2. Step 2: Convert to fraction form
    5,906.28/8,151.78 = 3,516.78/x
  3. Step 3: Cross multiply
    5,906.28x = 8,151.78 × 3,516.78
  4. Step 4: Simplify right side
    5,906.28x = 28,668,016.87
  5. Step 5: Solve for x
    x = 28,668,016.87/5,906.28
  6. Step 6: Final answer
    x = 4,853.82

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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.