Home / 3,972.96-5,959.53-2,229.12

Finding the Fourth Proportional to 3,972.96, 5,959.53 and 2,229.12

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Solution

The fourth proportional to 3,972.96, 5,959.53 and 2,229.12 is: 3,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.96 : 5,959.53 = 2,229.12 : x
  2. Step 2: Convert to fraction form
    3,972.96/5,959.53 = 2,229.12/x
  3. Step 3: Cross multiply
    3,972.96x = 5,959.53 × 2,229.12
  4. Step 4: Simplify right side
    3,972.96x = 13,284,507.51
  5. Step 5: Solve for x
    x = 13,284,507.51/3,972.96
  6. Step 6: Final answer
    x = 3,343.73

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1.5x scale

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.