Home / 3,839.27-5,292.55-2,716.75

Finding the Fourth Proportional to 3,839.27, 5,292.55 and 2,716.75

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Solution

The fourth proportional to 3,839.27, 5,292.55 and 2,716.75 is: 3,745.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.27 : 5,292.55 = 2,716.75 : x
  2. Step 2: Convert to fraction form
    3,839.27/5,292.55 = 2,716.75/x
  3. Step 3: Cross multiply
    3,839.27x = 5,292.55 × 2,716.75
  4. Step 4: Simplify right side
    3,839.27x = 14,378,535.21
  5. Step 5: Solve for x
    x = 14,378,535.21/3,839.27
  6. Step 6: Final answer
    x = 3,745.12

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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.