Home / 2,072.22-3,104.82-1,996.35

Finding the Fourth Proportional to 2,072.22, 3,104.82 and 1,996.35

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Solution

The fourth proportional to 2,072.22, 3,104.82 and 1,996.35 is: 2,991.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.22 : 3,104.82 = 1,996.35 : x
  2. Step 2: Convert to fraction form
    2,072.22/3,104.82 = 1,996.35/x
  3. Step 3: Cross multiply
    2,072.22x = 3,104.82 × 1,996.35
  4. Step 4: Simplify right side
    2,072.22x = 6,198,307.41
  5. Step 5: Solve for x
    x = 6,198,307.41/2,072.22
  6. Step 6: Final answer
    x = 2,991.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.