Home / 6,777.91-9,352.38-3,793.78

Finding the Fourth Proportional to 6,777.91, 9,352.38 and 3,793.78

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Solution

The fourth proportional to 6,777.91, 9,352.38 and 3,793.78 is: 5,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,777.91 : 9,352.38 = 3,793.78 : x
  2. Step 2: Convert to fraction form
    6,777.91/9,352.38 = 3,793.78/x
  3. Step 3: Cross multiply
    6,777.91x = 9,352.38 × 3,793.78
  4. Step 4: Simplify right side
    6,777.91x = 35,480,872.20
  5. Step 5: Solve for x
    x = 35,480,872.20/6,777.91
  6. Step 6: Final answer
    x = 5,234.78

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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.