Home / 3,229.29-4,427.39-3,170.97

Finding the Fourth Proportional to 3,229.29, 4,427.39 and 3,170.97

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Solution

The fourth proportional to 3,229.29, 4,427.39 and 3,170.97 is: 4,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.29 : 4,427.39 = 3,170.97 : x
  2. Step 2: Convert to fraction form
    3,229.29/4,427.39 = 3,170.97/x
  3. Step 3: Cross multiply
    3,229.29x = 4,427.39 × 3,170.97
  4. Step 4: Simplify right side
    3,229.29x = 14,039,128.80
  5. Step 5: Solve for x
    x = 14,039,128.80/3,229.29
  6. Step 6: Final answer
    x = 4,347.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.