Home / 5,251.97-7,247.55-2,894.09

Finding the Fourth Proportional to 5,251.97, 7,247.55 and 2,894.09

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Solution

The fourth proportional to 5,251.97, 7,247.55 and 2,894.09 is: 3,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.97 : 7,247.55 = 2,894.09 : x
  2. Step 2: Convert to fraction form
    5,251.97/7,247.55 = 2,894.09/x
  3. Step 3: Cross multiply
    5,251.97x = 7,247.55 × 2,894.09
  4. Step 4: Simplify right side
    5,251.97x = 20,975,061.98
  5. Step 5: Solve for x
    x = 20,975,061.98/5,251.97
  6. Step 6: Final answer
    x = 3,993.75

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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.