Home / 2,947.68-4,067.46-1,769.04

Finding the Fourth Proportional to 2,947.68, 4,067.46 and 1,769.04

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Solution

The fourth proportional to 2,947.68, 4,067.46 and 1,769.04 is: 2,441.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.68 : 4,067.46 = 1,769.04 : x
  2. Step 2: Convert to fraction form
    2,947.68/4,067.46 = 1,769.04/x
  3. Step 3: Cross multiply
    2,947.68x = 4,067.46 × 1,769.04
  4. Step 4: Simplify right side
    2,947.68x = 7,195,499.44
  5. Step 5: Solve for x
    x = 7,195,499.44/2,947.68
  6. Step 6: Final answer
    x = 2,441.07

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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.