Home / 2,162.28-3,243.48-701.44

Finding the Fourth Proportional to 2,162.28, 3,243.48 and 701.44

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Solution

The fourth proportional to 2,162.28, 3,243.48 and 701.44 is: 1,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.28 : 3,243.48 = 701.44 : x
  2. Step 2: Convert to fraction form
    2,162.28/3,243.48 = 701.44/x
  3. Step 3: Cross multiply
    2,162.28x = 3,243.48 × 701.44
  4. Step 4: Simplify right side
    2,162.28x = 2,275,106.61
  5. Step 5: Solve for x
    x = 2,275,106.61/2,162.28
  6. Step 6: Final answer
    x = 1,052.18

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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.