Home / 5,906.82-8,151.42-3,218.03

Finding the Fourth Proportional to 5,906.82, 8,151.42 and 3,218.03

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Solution

The fourth proportional to 5,906.82, 8,151.42 and 3,218.03 is: 4,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.82 : 8,151.42 = 3,218.03 : x
  2. Step 2: Convert to fraction form
    5,906.82/8,151.42 = 3,218.03/x
  3. Step 3: Cross multiply
    5,906.82x = 8,151.42 × 3,218.03
  4. Step 4: Simplify right side
    5,906.82x = 26,231,473.35
  5. Step 5: Solve for x
    x = 26,231,473.35/5,906.82
  6. Step 6: Final answer
    x = 4,440.88

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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.