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Finding the Fourth Proportional to 2,791.56, 3,850.40 and 2,441.64

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Solution

The fourth proportional to 2,791.56, 3,850.40 and 2,441.64 is: 3,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.56 : 3,850.40 = 2,441.64 : x
  2. Step 2: Convert to fraction form
    2,791.56/3,850.40 = 2,441.64/x
  3. Step 3: Cross multiply
    2,791.56x = 3,850.40 × 2,441.64
  4. Step 4: Simplify right side
    2,791.56x = 9,401,290.66
  5. Step 5: Solve for x
    x = 9,401,290.66/2,791.56
  6. Step 6: Final answer
    x = 3,367.76

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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.