Home / 2,481.21-3,723.53-1,020.38

Finding the Fourth Proportional to 2,481.21, 3,723.53 and 1,020.38

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Solution

The fourth proportional to 2,481.21, 3,723.53 and 1,020.38 is: 1,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.21 : 3,723.53 = 1,020.38 : x
  2. Step 2: Convert to fraction form
    2,481.21/3,723.53 = 1,020.38/x
  3. Step 3: Cross multiply
    2,481.21x = 3,723.53 × 1,020.38
  4. Step 4: Simplify right side
    2,481.21x = 3,799,391.82
  5. Step 5: Solve for x
    x = 3,799,391.82/2,481.21
  6. Step 6: Final answer
    x = 1,531.27

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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.