Home / 5,871.31-8,102.38-3,182.60

Finding the Fourth Proportional to 5,871.31, 8,102.38 and 3,182.60

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Solution

The fourth proportional to 5,871.31, 8,102.38 and 3,182.60 is: 4,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.31 : 8,102.38 = 3,182.60 : x
  2. Step 2: Convert to fraction form
    5,871.31/8,102.38 = 3,182.60/x
  3. Step 3: Cross multiply
    5,871.31x = 8,102.38 × 3,182.60
  4. Step 4: Simplify right side
    5,871.31x = 25,786,634.59
  5. Step 5: Solve for x
    x = 25,786,634.59/5,871.31
  6. Step 6: Final answer
    x = 4,391.97

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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.