Home / 2,250.23-3,105.27-1,255.55

Finding the Fourth Proportional to 2,250.23, 3,105.27 and 1,255.55

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Solution

The fourth proportional to 2,250.23, 3,105.27 and 1,255.55 is: 1,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.23 : 3,105.27 = 1,255.55 : x
  2. Step 2: Convert to fraction form
    2,250.23/3,105.27 = 1,255.55/x
  3. Step 3: Cross multiply
    2,250.23x = 3,105.27 × 1,255.55
  4. Step 4: Simplify right side
    2,250.23x = 3,898,806.22
  5. Step 5: Solve for x
    x = 3,898,806.22/2,250.23
  6. Step 6: Final answer
    x = 1,732.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.