Home / 3,112.65-4,664.88-1,467

Finding the Fourth Proportional to 3,112.65, 4,664.88 and 1,467

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Solution

The fourth proportional to 3,112.65, 4,664.88 and 1,467 is: 2,198.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.65 : 4,664.88 = 1,467 : x
  2. Step 2: Convert to fraction form
    3,112.65/4,664.88 = 1,467/x
  3. Step 3: Cross multiply
    3,112.65x = 4,664.88 × 1,467
  4. Step 4: Simplify right side
    3,112.65x = 6,843,378.96
  5. Step 5: Solve for x
    x = 6,843,378.96/3,112.65
  6. Step 6: Final answer
    x = 2,198.57

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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.