Home / 5,251.33-7,879.74-3,401.97

Finding the Fourth Proportional to 5,251.33, 7,879.74 and 3,401.97

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Solution

The fourth proportional to 5,251.33, 7,879.74 and 3,401.97 is: 5,104.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.33 : 7,879.74 = 3,401.97 : x
  2. Step 2: Convert to fraction form
    5,251.33/7,879.74 = 3,401.97/x
  3. Step 3: Cross multiply
    5,251.33x = 7,879.74 × 3,401.97
  4. Step 4: Simplify right side
    5,251.33x = 26,806,639.09
  5. Step 5: Solve for x
    x = 26,806,639.09/5,251.33
  6. Step 6: Final answer
    x = 5,104.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.