Home / 6,778.30-9,351.84-3,793.72

Finding the Fourth Proportional to 6,778.30, 9,351.84 and 3,793.72

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Solution

The fourth proportional to 6,778.30, 9,351.84 and 3,793.72 is: 5,234.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.30 : 9,351.84 = 3,793.72 : x
  2. Step 2: Convert to fraction form
    6,778.30/9,351.84 = 3,793.72/x
  3. Step 3: Cross multiply
    6,778.30x = 9,351.84 × 3,793.72
  4. Step 4: Simplify right side
    6,778.30x = 35,478,262.44
  5. Step 5: Solve for x
    x = 35,478,262.44/6,778.30
  6. Step 6: Final answer
    x = 5,234.09

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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.