Home / 4,170.79-5,755.70-2,282.38

Finding the Fourth Proportional to 4,170.79, 5,755.70 and 2,282.38

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Solution

The fourth proportional to 4,170.79, 5,755.70 and 2,282.38 is: 3,149.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.79 : 5,755.70 = 2,282.38 : x
  2. Step 2: Convert to fraction form
    4,170.79/5,755.70 = 2,282.38/x
  3. Step 3: Cross multiply
    4,170.79x = 5,755.70 × 2,282.38
  4. Step 4: Simplify right side
    4,170.79x = 13,136,662.55
  5. Step 5: Solve for x
    x = 13,136,662.55/4,170.79
  6. Step 6: Final answer
    x = 3,149.68

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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.