Home / 5,908.50-8,149.92-3,516.78

Finding the Fourth Proportional to 5,908.50, 8,149.92 and 3,516.78

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Solution

The fourth proportional to 5,908.50, 8,149.92 and 3,516.78 is: 4,850.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.50 : 8,149.92 = 3,516.78 : x
  2. Step 2: Convert to fraction form
    5,908.50/8,149.92 = 3,516.78/x
  3. Step 3: Cross multiply
    5,908.50x = 8,149.92 × 3,516.78
  4. Step 4: Simplify right side
    5,908.50x = 28,661,475.66
  5. Step 5: Solve for x
    x = 28,661,475.66/5,908.50
  6. Step 6: Final answer
    x = 4,850.89

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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.