Home / 3,081.73-4,252.83-1,755.56

Finding the Fourth Proportional to 3,081.73, 4,252.83 and 1,755.56

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Solution

The fourth proportional to 3,081.73, 4,252.83 and 1,755.56 is: 2,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.73 : 4,252.83 = 1,755.56 : x
  2. Step 2: Convert to fraction form
    3,081.73/4,252.83 = 1,755.56/x
  3. Step 3: Cross multiply
    3,081.73x = 4,252.83 × 1,755.56
  4. Step 4: Simplify right side
    3,081.73x = 7,466,098.23
  5. Step 5: Solve for x
    x = 7,466,098.23/3,081.73
  6. Step 6: Final answer
    x = 2,422.70

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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.