Home / 5,447.29-8,171.97-3,883.42

Finding the Fourth Proportional to 5,447.29, 8,171.97 and 3,883.42

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Solution

The fourth proportional to 5,447.29, 8,171.97 and 3,883.42 is: 5,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.29 : 8,171.97 = 3,883.42 : x
  2. Step 2: Convert to fraction form
    5,447.29/8,171.97 = 3,883.42/x
  3. Step 3: Cross multiply
    5,447.29x = 8,171.97 × 3,883.42
  4. Step 4: Simplify right side
    5,447.29x = 31,735,191.74
  5. Step 5: Solve for x
    x = 31,735,191.74/5,447.29
  6. Step 6: Final answer
    x = 5,825.87

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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.