Home / 3,996.33-5,515.01-2,227.75

Finding the Fourth Proportional to 3,996.33, 5,515.01 and 2,227.75

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Solution

The fourth proportional to 3,996.33, 5,515.01 and 2,227.75 is: 3,074.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.33 : 5,515.01 = 2,227.75 : x
  2. Step 2: Convert to fraction form
    3,996.33/5,515.01 = 2,227.75/x
  3. Step 3: Cross multiply
    3,996.33x = 5,515.01 × 2,227.75
  4. Step 4: Simplify right side
    3,996.33x = 12,286,063.53
  5. Step 5: Solve for x
    x = 12,286,063.53/3,996.33
  6. Step 6: Final answer
    x = 3,074.34

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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.