Home / 3,081.76-4,252.68-1,755.52

Finding the Fourth Proportional to 3,081.76, 4,252.68 and 1,755.52

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Solution

The fourth proportional to 3,081.76, 4,252.68 and 1,755.52 is: 2,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.76 : 4,252.68 = 1,755.52 : x
  2. Step 2: Convert to fraction form
    3,081.76/4,252.68 = 1,755.52/x
  3. Step 3: Cross multiply
    3,081.76x = 4,252.68 × 1,755.52
  4. Step 4: Simplify right side
    3,081.76x = 7,465,664.79
  5. Step 5: Solve for x
    x = 7,465,664.79/3,081.76
  6. Step 6: Final answer
    x = 2,422.53

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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.