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Finding the Fourth Proportional to 3,960.18, 5,939.67 and 2,494.86

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Solution

The fourth proportional to 3,960.18, 5,939.67 and 2,494.86 is: 3,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.18 : 5,939.67 = 2,494.86 : x
  2. Step 2: Convert to fraction form
    3,960.18/5,939.67 = 2,494.86/x
  3. Step 3: Cross multiply
    3,960.18x = 5,939.67 × 2,494.86
  4. Step 4: Simplify right side
    3,960.18x = 14,818,645.10
  5. Step 5: Solve for x
    x = 14,818,645.10/3,960.18
  6. Step 6: Final answer
    x = 3,741.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.