Home / 4,121.31-6,182.25-1,347.24

Finding the Fourth Proportional to 4,121.31, 6,182.25 and 1,347.24

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Solution

The fourth proportional to 4,121.31, 6,182.25 and 1,347.24 is: 2,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.31 : 6,182.25 = 1,347.24 : x
  2. Step 2: Convert to fraction form
    4,121.31/6,182.25 = 1,347.24/x
  3. Step 3: Cross multiply
    4,121.31x = 6,182.25 × 1,347.24
  4. Step 4: Simplify right side
    4,121.31x = 8,328,974.49
  5. Step 5: Solve for x
    x = 8,328,974.49/4,121.31
  6. Step 6: Final answer
    x = 2,020.95

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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.