Home / 3,996.46-5,515.44-2,227.82

Finding the Fourth Proportional to 3,996.46, 5,515.44 and 2,227.82

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Solution

The fourth proportional to 3,996.46, 5,515.44 and 2,227.82 is: 3,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.46 : 5,515.44 = 2,227.82 : x
  2. Step 2: Convert to fraction form
    3,996.46/5,515.44 = 2,227.82/x
  3. Step 3: Cross multiply
    3,996.46x = 5,515.44 × 2,227.82
  4. Step 4: Simplify right side
    3,996.46x = 12,287,407.54
  5. Step 5: Solve for x
    x = 12,287,407.54/3,996.46
  6. Step 6: Final answer
    x = 3,074.57

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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.