Home / 4,170.87-5,755.55-2,282.07

Finding the Fourth Proportional to 4,170.87, 5,755.55 and 2,282.07

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Solution

The fourth proportional to 4,170.87, 5,755.55 and 2,282.07 is: 3,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.87 : 5,755.55 = 2,282.07 : x
  2. Step 2: Convert to fraction form
    4,170.87/5,755.55 = 2,282.07/x
  3. Step 3: Cross multiply
    4,170.87x = 5,755.55 × 2,282.07
  4. Step 4: Simplify right side
    4,170.87x = 13,134,578.16
  5. Step 5: Solve for x
    x = 13,134,578.16/4,170.87
  6. Step 6: Final answer
    x = 3,149.12

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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.