Home / 2,132.73-2,943.13-1,201.23

Finding the Fourth Proportional to 2,132.73, 2,943.13 and 1,201.23

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Solution

The fourth proportional to 2,132.73, 2,943.13 and 1,201.23 is: 1,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.73 : 2,943.13 = 1,201.23 : x
  2. Step 2: Convert to fraction form
    2,132.73/2,943.13 = 1,201.23/x
  3. Step 3: Cross multiply
    2,132.73x = 2,943.13 × 1,201.23
  4. Step 4: Simplify right side
    2,132.73x = 3,535,376.05
  5. Step 5: Solve for x
    x = 3,535,376.05/2,132.73
  6. Step 6: Final answer
    x = 1,657.68

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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.