Home / 3,111.16-4,662.94-1,724.44

Finding the Fourth Proportional to 3,111.16, 4,662.94 and 1,724.44

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Solution

The fourth proportional to 3,111.16, 4,662.94 and 1,724.44 is: 2,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.16 : 4,662.94 = 1,724.44 : x
  2. Step 2: Convert to fraction form
    3,111.16/4,662.94 = 1,724.44/x
  3. Step 3: Cross multiply
    3,111.16x = 4,662.94 × 1,724.44
  4. Step 4: Simplify right side
    3,111.16x = 8,040,960.25
  5. Step 5: Solve for x
    x = 8,040,960.25/3,111.16
  6. Step 6: Final answer
    x = 2,584.55

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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.