Home / 2,283.66-3,429.45-2,179.78

Finding the Fourth Proportional to 2,283.66, 3,429.45 and 2,179.78

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Solution

The fourth proportional to 2,283.66, 3,429.45 and 2,179.78 is: 3,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.66 : 3,429.45 = 2,179.78 : x
  2. Step 2: Convert to fraction form
    2,283.66/3,429.45 = 2,179.78/x
  3. Step 3: Cross multiply
    2,283.66x = 3,429.45 × 2,179.78
  4. Step 4: Simplify right side
    2,283.66x = 7,475,446.52
  5. Step 5: Solve for x
    x = 7,475,446.52/2,283.66
  6. Step 6: Final answer
    x = 3,273.45

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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.