Home / 3,512.29-4,843.03-2,872.24

Finding the Fourth Proportional to 3,512.29, 4,843.03 and 2,872.24

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Solution

The fourth proportional to 3,512.29, 4,843.03 and 2,872.24 is: 3,960.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.29 : 4,843.03 = 2,872.24 : x
  2. Step 2: Convert to fraction form
    3,512.29/4,843.03 = 2,872.24/x
  3. Step 3: Cross multiply
    3,512.29x = 4,843.03 × 2,872.24
  4. Step 4: Simplify right side
    3,512.29x = 13,910,330.13
  5. Step 5: Solve for x
    x = 13,910,330.13/3,512.29
  6. Step 6: Final answer
    x = 3,960.47

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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.