Home / 2,701.25-4,049.06-1,139.95

Finding the Fourth Proportional to 2,701.25, 4,049.06 and 1,139.95

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Solution

The fourth proportional to 2,701.25, 4,049.06 and 1,139.95 is: 1,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.25 : 4,049.06 = 1,139.95 : x
  2. Step 2: Convert to fraction form
    2,701.25/4,049.06 = 1,139.95/x
  3. Step 3: Cross multiply
    2,701.25x = 4,049.06 × 1,139.95
  4. Step 4: Simplify right side
    2,701.25x = 4,615,723.54
  5. Step 5: Solve for x
    x = 4,615,723.54/2,701.25
  6. Step 6: Final answer
    x = 1,708.74

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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.