Home / 2,850.24-4,264.04-2,158.90

Finding the Fourth Proportional to 2,850.24, 4,264.04 and 2,158.90

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Solution

The fourth proportional to 2,850.24, 4,264.04 and 2,158.90 is: 3,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.24 : 4,264.04 = 2,158.90 : x
  2. Step 2: Convert to fraction form
    2,850.24/4,264.04 = 2,158.90/x
  3. Step 3: Cross multiply
    2,850.24x = 4,264.04 × 2,158.90
  4. Step 4: Simplify right side
    2,850.24x = 9,205,635.96
  5. Step 5: Solve for x
    x = 9,205,635.96/2,850.24
  6. Step 6: Final answer
    x = 3,229.78

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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.