Home / 3,675.62-5,072.26-1,996.98

Finding the Fourth Proportional to 3,675.62, 5,072.26 and 1,996.98

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Solution

The fourth proportional to 3,675.62, 5,072.26 and 1,996.98 is: 2,755.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.62 : 5,072.26 = 1,996.98 : x
  2. Step 2: Convert to fraction form
    3,675.62/5,072.26 = 1,996.98/x
  3. Step 3: Cross multiply
    3,675.62x = 5,072.26 × 1,996.98
  4. Step 4: Simplify right side
    3,675.62x = 10,129,191.79
  5. Step 5: Solve for x
    x = 10,129,191.79/3,675.62
  6. Step 6: Final answer
    x = 2,755.78

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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.