Home / 3,171.97-4,377.33-1,736.38

Finding the Fourth Proportional to 3,171.97, 4,377.33 and 1,736.38

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Solution

The fourth proportional to 3,171.97, 4,377.33 and 1,736.38 is: 2,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.97 : 4,377.33 = 1,736.38 : x
  2. Step 2: Convert to fraction form
    3,171.97/4,377.33 = 1,736.38/x
  3. Step 3: Cross multiply
    3,171.97x = 4,377.33 × 1,736.38
  4. Step 4: Simplify right side
    3,171.97x = 7,600,708.27
  5. Step 5: Solve for x
    x = 7,600,708.27/3,171.97
  6. Step 6: Final answer
    x = 2,396.21

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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.