Home / 2,268.71-3,380.81-2,249.57

Finding the Fourth Proportional to 2,268.71, 3,380.81 and 2,249.57

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Solution

The fourth proportional to 2,268.71, 3,380.81 and 2,249.57 is: 3,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.71 : 3,380.81 = 2,249.57 : x
  2. Step 2: Convert to fraction form
    2,268.71/3,380.81 = 2,249.57/x
  3. Step 3: Cross multiply
    2,268.71x = 3,380.81 × 2,249.57
  4. Step 4: Simplify right side
    2,268.71x = 7,605,384.94
  5. Step 5: Solve for x
    x = 7,605,384.94/2,268.71
  6. Step 6: Final answer
    x = 3,352.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.