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Finding the Fourth Proportional to 2,791.61, 3,850.69 and 1,795.16

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Solution

The fourth proportional to 2,791.61, 3,850.69 and 1,795.16 is: 2,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.61 : 3,850.69 = 1,795.16 : x
  2. Step 2: Convert to fraction form
    2,791.61/3,850.69 = 1,795.16/x
  3. Step 3: Cross multiply
    2,791.61x = 3,850.69 × 1,795.16
  4. Step 4: Simplify right side
    2,791.61x = 6,912,613.17
  5. Step 5: Solve for x
    x = 6,912,613.17/2,791.61
  6. Step 6: Final answer
    x = 2,476.21

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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.