Home / 3,983.19-5,494.37-2,568.75

Finding the Fourth Proportional to 3,983.19, 5,494.37 and 2,568.75

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Solution

The fourth proportional to 3,983.19, 5,494.37 and 2,568.75 is: 3,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.19 : 5,494.37 = 2,568.75 : x
  2. Step 2: Convert to fraction form
    3,983.19/5,494.37 = 2,568.75/x
  3. Step 3: Cross multiply
    3,983.19x = 5,494.37 × 2,568.75
  4. Step 4: Simplify right side
    3,983.19x = 14,113,650.09
  5. Step 5: Solve for x
    x = 14,113,650.09/3,983.19
  6. Step 6: Final answer
    x = 3,543.30

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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.