Home / 3,008.88-4,512.96-1,061.28

Finding the Fourth Proportional to 3,008.88, 4,512.96 and 1,061.28

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Solution

The fourth proportional to 3,008.88, 4,512.96 and 1,061.28 is: 1,591.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.88 : 4,512.96 = 1,061.28 : x
  2. Step 2: Convert to fraction form
    3,008.88/4,512.96 = 1,061.28/x
  3. Step 3: Cross multiply
    3,008.88x = 4,512.96 × 1,061.28
  4. Step 4: Simplify right side
    3,008.88x = 4,789,514.19
  5. Step 5: Solve for x
    x = 4,789,514.19/3,008.88
  6. Step 6: Final answer
    x = 1,591.79

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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.