Home / 2,922.27-4,382.38-2,098.09

Finding the Fourth Proportional to 2,922.27, 4,382.38 and 2,098.09

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Solution

The fourth proportional to 2,922.27, 4,382.38 and 2,098.09 is: 3,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.27 : 4,382.38 = 2,098.09 : x
  2. Step 2: Convert to fraction form
    2,922.27/4,382.38 = 2,098.09/x
  3. Step 3: Cross multiply
    2,922.27x = 4,382.38 × 2,098.09
  4. Step 4: Simplify right side
    2,922.27x = 9,194,627.65
  5. Step 5: Solve for x
    x = 9,194,627.65/2,922.27
  6. Step 6: Final answer
    x = 3,146.40

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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.