Home / 5,921.38-8,171.34-3,268.73

Finding the Fourth Proportional to 5,921.38, 8,171.34 and 3,268.73

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Solution

The fourth proportional to 5,921.38, 8,171.34 and 3,268.73 is: 4,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.38 : 8,171.34 = 3,268.73 : x
  2. Step 2: Convert to fraction form
    5,921.38/8,171.34 = 3,268.73/x
  3. Step 3: Cross multiply
    5,921.38x = 8,171.34 × 3,268.73
  4. Step 4: Simplify right side
    5,921.38x = 26,709,863.34
  5. Step 5: Solve for x
    x = 26,709,863.34/5,921.38
  6. Step 6: Final answer
    x = 4,510.75

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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.