Home / 3,275.15-4,912.72-1,083.29

Finding the Fourth Proportional to 3,275.15, 4,912.72 and 1,083.29

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Solution

The fourth proportional to 3,275.15, 4,912.72 and 1,083.29 is: 1,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.15 : 4,912.72 = 1,083.29 : x
  2. Step 2: Convert to fraction form
    3,275.15/4,912.72 = 1,083.29/x
  3. Step 3: Cross multiply
    3,275.15x = 4,912.72 × 1,083.29
  4. Step 4: Simplify right side
    3,275.15x = 5,321,873.18
  5. Step 5: Solve for x
    x = 5,321,873.18/3,275.15
  6. Step 6: Final answer
    x = 1,624.93

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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.