Home / 2,283.29-3,149.78-1,620.44

Finding the Fourth Proportional to 2,283.29, 3,149.78 and 1,620.44

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Solution

The fourth proportional to 2,283.29, 3,149.78 and 1,620.44 is: 2,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.29 : 3,149.78 = 1,620.44 : x
  2. Step 2: Convert to fraction form
    2,283.29/3,149.78 = 1,620.44/x
  3. Step 3: Cross multiply
    2,283.29x = 3,149.78 × 1,620.44
  4. Step 4: Simplify right side
    2,283.29x = 5,104,005.65
  5. Step 5: Solve for x
    x = 5,104,005.65/2,283.29
  6. Step 6: Final answer
    x = 2,235.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.