Home / 2,732.22-3,770.26-1,553.06

Finding the Fourth Proportional to 2,732.22, 3,770.26 and 1,553.06

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Solution

The fourth proportional to 2,732.22, 3,770.26 and 1,553.06 is: 2,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.22 : 3,770.26 = 1,553.06 : x
  2. Step 2: Convert to fraction form
    2,732.22/3,770.26 = 1,553.06/x
  3. Step 3: Cross multiply
    2,732.22x = 3,770.26 × 1,553.06
  4. Step 4: Simplify right side
    2,732.22x = 5,855,445.54
  5. Step 5: Solve for x
    x = 5,855,445.54/2,732.22
  6. Step 6: Final answer
    x = 2,143.11

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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.