Home / 3,375.12-5,065.92-3,162.92

Finding the Fourth Proportional to 3,375.12, 5,065.92 and 3,162.92

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Solution

The fourth proportional to 3,375.12, 5,065.92 and 3,162.92 is: 4,747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.12 : 5,065.92 = 3,162.92 : x
  2. Step 2: Convert to fraction form
    3,375.12/5,065.92 = 3,162.92/x
  3. Step 3: Cross multiply
    3,375.12x = 5,065.92 × 3,162.92
  4. Step 4: Simplify right side
    3,375.12x = 16,023,099.69
  5. Step 5: Solve for x
    x = 16,023,099.69/3,375.12
  6. Step 6: Final answer
    x = 4,747.42

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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.