Home / 3,177.31-4,383.21-2,058.61

Finding the Fourth Proportional to 3,177.31, 4,383.21 and 2,058.61

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Solution

The fourth proportional to 3,177.31, 4,383.21 and 2,058.61 is: 2,839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.31 : 4,383.21 = 2,058.61 : x
  2. Step 2: Convert to fraction form
    3,177.31/4,383.21 = 2,058.61/x
  3. Step 3: Cross multiply
    3,177.31x = 4,383.21 × 2,058.61
  4. Step 4: Simplify right side
    3,177.31x = 9,023,319.94
  5. Step 5: Solve for x
    x = 9,023,319.94/3,177.31
  6. Step 6: Final answer
    x = 2,839.92

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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.