Home / 3,635.52-5,020.56-3,108.48

Finding the Fourth Proportional to 3,635.52, 5,020.56 and 3,108.48

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Solution

The fourth proportional to 3,635.52, 5,020.56 and 3,108.48 is: 4,292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.52 : 5,020.56 = 3,108.48 : x
  2. Step 2: Convert to fraction form
    3,635.52/5,020.56 = 3,108.48/x
  3. Step 3: Cross multiply
    3,635.52x = 5,020.56 × 3,108.48
  4. Step 4: Simplify right side
    3,635.52x = 15,606,310.35
  5. Step 5: Solve for x
    x = 15,606,310.35/3,635.52
  6. Step 6: Final answer
    x = 4,292.73

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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.