Home / 3,269.97-4,512.11-1,943.39

Finding the Fourth Proportional to 3,269.97, 4,512.11 and 1,943.39

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Solution

The fourth proportional to 3,269.97, 4,512.11 and 1,943.39 is: 2,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.97 : 4,512.11 = 1,943.39 : x
  2. Step 2: Convert to fraction form
    3,269.97/4,512.11 = 1,943.39/x
  3. Step 3: Cross multiply
    3,269.97x = 4,512.11 × 1,943.39
  4. Step 4: Simplify right side
    3,269.97x = 8,768,791.02
  5. Step 5: Solve for x
    x = 8,768,791.02/3,269.97
  6. Step 6: Final answer
    x = 2,681.61

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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.