Home / 2,180.56-3,272.21-2,040.46

Finding the Fourth Proportional to 2,180.56, 3,272.21 and 2,040.46

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Solution

The fourth proportional to 2,180.56, 3,272.21 and 2,040.46 is: 3,061.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.56 : 3,272.21 = 2,040.46 : x
  2. Step 2: Convert to fraction form
    2,180.56/3,272.21 = 2,040.46/x
  3. Step 3: Cross multiply
    2,180.56x = 3,272.21 × 2,040.46
  4. Step 4: Simplify right side
    2,180.56x = 6,676,814.36
  5. Step 5: Solve for x
    x = 6,676,814.36/2,180.56
  6. Step 6: Final answer
    x = 3,061.97

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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.