Home / 2,568.15-3,854.97-2,261.97

Finding the Fourth Proportional to 2,568.15, 3,854.97 and 2,261.97

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Solution

The fourth proportional to 2,568.15, 3,854.97 and 2,261.97 is: 3,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.15 : 3,854.97 = 2,261.97 : x
  2. Step 2: Convert to fraction form
    2,568.15/3,854.97 = 2,261.97/x
  3. Step 3: Cross multiply
    2,568.15x = 3,854.97 × 2,261.97
  4. Step 4: Simplify right side
    2,568.15x = 8,719,826.49
  5. Step 5: Solve for x
    x = 8,719,826.49/2,568.15
  6. Step 6: Final answer
    x = 3,395.37

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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.