Home / 6,105.28-8,425.26-3,310.78

Finding the Fourth Proportional to 6,105.28, 8,425.26 and 3,310.78

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Solution

The fourth proportional to 6,105.28, 8,425.26 and 3,310.78 is: 4,568.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.28 : 8,425.26 = 3,310.78 : x
  2. Step 2: Convert to fraction form
    6,105.28/8,425.26 = 3,310.78/x
  3. Step 3: Cross multiply
    6,105.28x = 8,425.26 × 3,310.78
  4. Step 4: Simplify right side
    6,105.28x = 27,894,182.30
  5. Step 5: Solve for x
    x = 27,894,182.30/6,105.28
  6. Step 6: Final answer
    x = 4,568.86

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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.