Home / 2,083.68-3,120.66-1,040.46

Finding the Fourth Proportional to 2,083.68, 3,120.66 and 1,040.46

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Solution

The fourth proportional to 2,083.68, 3,120.66 and 1,040.46 is: 1,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.68 : 3,120.66 = 1,040.46 : x
  2. Step 2: Convert to fraction form
    2,083.68/3,120.66 = 1,040.46/x
  3. Step 3: Cross multiply
    2,083.68x = 3,120.66 × 1,040.46
  4. Step 4: Simplify right side
    2,083.68x = 3,246,921.90
  5. Step 5: Solve for x
    x = 3,246,921.90/2,083.68
  6. Step 6: Final answer
    x = 1,558.26

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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.