Home / 4,170.55-5,755.37-2,282.30

Finding the Fourth Proportional to 4,170.55, 5,755.37 and 2,282.30

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Solution

The fourth proportional to 4,170.55, 5,755.37 and 2,282.30 is: 3,149.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.55 : 5,755.37 = 2,282.30 : x
  2. Step 2: Convert to fraction form
    4,170.55/5,755.37 = 2,282.30/x
  3. Step 3: Cross multiply
    4,170.55x = 5,755.37 × 2,282.30
  4. Step 4: Simplify right side
    4,170.55x = 13,135,480.95
  5. Step 5: Solve for x
    x = 13,135,480.95/4,170.55
  6. Step 6: Final answer
    x = 3,149.58

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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.