Home / 6,122.82-8,449.50-3,470.73

Finding the Fourth Proportional to 6,122.82, 8,449.50 and 3,470.73

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Solution

The fourth proportional to 6,122.82, 8,449.50 and 3,470.73 is: 4,789.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.82 : 8,449.50 = 3,470.73 : x
  2. Step 2: Convert to fraction form
    6,122.82/8,449.50 = 3,470.73/x
  3. Step 3: Cross multiply
    6,122.82x = 8,449.50 × 3,470.73
  4. Step 4: Simplify right side
    6,122.82x = 29,325,933.14
  5. Step 5: Solve for x
    x = 29,325,933.14/6,122.82
  6. Step 6: Final answer
    x = 4,789.61

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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.