Home / 2,083.73-3,120.12-1,351.08

Finding the Fourth Proportional to 2,083.73, 3,120.12 and 1,351.08

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Solution

The fourth proportional to 2,083.73, 3,120.12 and 1,351.08 is: 2,023.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.73 : 3,120.12 = 1,351.08 : x
  2. Step 2: Convert to fraction form
    2,083.73/3,120.12 = 1,351.08/x
  3. Step 3: Cross multiply
    2,083.73x = 3,120.12 × 1,351.08
  4. Step 4: Simplify right side
    2,083.73x = 4,215,531.73
  5. Step 5: Solve for x
    x = 4,215,531.73/2,083.73
  6. Step 6: Final answer
    x = 2,023.07

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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.