Home / 3,171.07-4,377.41-2,338.39

Finding the Fourth Proportional to 3,171.07, 4,377.41 and 2,338.39

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Solution

The fourth proportional to 3,171.07, 4,377.41 and 2,338.39 is: 3,227.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.07 : 4,377.41 = 2,338.39 : x
  2. Step 2: Convert to fraction form
    3,171.07/4,377.41 = 2,338.39/x
  3. Step 3: Cross multiply
    3,171.07x = 4,377.41 × 2,338.39
  4. Step 4: Simplify right side
    3,171.07x = 10,236,091.77
  5. Step 5: Solve for x
    x = 10,236,091.77/3,171.07
  6. Step 6: Final answer
    x = 3,227.96

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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.