Home / 6,134.60-8,467.38-3,778.71

Finding the Fourth Proportional to 6,134.60, 8,467.38 and 3,778.71

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Solution

The fourth proportional to 6,134.60, 8,467.38 and 3,778.71 is: 5,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,134.60 : 8,467.38 = 3,778.71 : x
  2. Step 2: Convert to fraction form
    6,134.60/8,467.38 = 3,778.71/x
  3. Step 3: Cross multiply
    6,134.60x = 8,467.38 × 3,778.71
  4. Step 4: Simplify right side
    6,134.60x = 31,995,773.48
  5. Step 5: Solve for x
    x = 31,995,773.48/6,134.60
  6. Step 6: Final answer
    x = 5,215.63

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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.