Home / 3,310.56-4,942.15-3,195.13

Finding the Fourth Proportional to 3,310.56, 4,942.15 and 3,195.13

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Solution

The fourth proportional to 3,310.56, 4,942.15 and 3,195.13 is: 4,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.56 : 4,942.15 = 3,195.13 : x
  2. Step 2: Convert to fraction form
    3,310.56/4,942.15 = 3,195.13/x
  3. Step 3: Cross multiply
    3,310.56x = 4,942.15 × 3,195.13
  4. Step 4: Simplify right side
    3,310.56x = 15,790,811.73
  5. Step 5: Solve for x
    x = 15,790,811.73/3,310.56
  6. Step 6: Final answer
    x = 4,769.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.