Home / 5,267.71-7,268.43-3,171.97

Finding the Fourth Proportional to 5,267.71, 7,268.43 and 3,171.97

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Solution

The fourth proportional to 5,267.71, 7,268.43 and 3,171.97 is: 4,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.71 : 7,268.43 = 3,171.97 : x
  2. Step 2: Convert to fraction form
    5,267.71/7,268.43 = 3,171.97/x
  3. Step 3: Cross multiply
    5,267.71x = 7,268.43 × 3,171.97
  4. Step 4: Simplify right side
    5,267.71x = 23,055,241.91
  5. Step 5: Solve for x
    x = 23,055,241.91/5,267.71
  6. Step 6: Final answer
    x = 4,376.71

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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.