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Finding the Fourth Proportional to 2,675.97, 3,692.87 and 1,613.79

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Solution

The fourth proportional to 2,675.97, 3,692.87 and 1,613.79 is: 2,227.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.97 : 3,692.87 = 1,613.79 : x
  2. Step 2: Convert to fraction form
    2,675.97/3,692.87 = 1,613.79/x
  3. Step 3: Cross multiply
    2,675.97x = 3,692.87 × 1,613.79
  4. Step 4: Simplify right side
    2,675.97x = 5,959,514.66
  5. Step 5: Solve for x
    x = 5,959,514.66/2,675.97
  6. Step 6: Final answer
    x = 2,227.05

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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.