Home / 2,162.26-3,243.51-701.53

Finding the Fourth Proportional to 2,162.26, 3,243.51 and 701.53

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Solution

The fourth proportional to 2,162.26, 3,243.51 and 701.53 is: 1,052.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.26 : 3,243.51 = 701.53 : x
  2. Step 2: Convert to fraction form
    2,162.26/3,243.51 = 701.53/x
  3. Step 3: Cross multiply
    2,162.26x = 3,243.51 × 701.53
  4. Step 4: Simplify right side
    2,162.26x = 2,275,419.57
  5. Step 5: Solve for x
    x = 2,275,419.57/2,162.26
  6. Step 6: Final answer
    x = 1,052.33

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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.