Home / 3,742.28-5,615.05-2,008.88

Finding the Fourth Proportional to 3,742.28, 5,615.05 and 2,008.88

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Solution

The fourth proportional to 3,742.28, 5,615.05 and 2,008.88 is: 3,014.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.28 : 5,615.05 = 2,008.88 : x
  2. Step 2: Convert to fraction form
    3,742.28/5,615.05 = 2,008.88/x
  3. Step 3: Cross multiply
    3,742.28x = 5,615.05 × 2,008.88
  4. Step 4: Simplify right side
    3,742.28x = 11,279,961.64
  5. Step 5: Solve for x
    x = 11,279,961.64/3,742.28
  6. Step 6: Final answer
    x = 3,014.19

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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.