Home / 2,947.32-4,067.33-1,621.04

Finding the Fourth Proportional to 2,947.32, 4,067.33 and 1,621.04

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Solution

The fourth proportional to 2,947.32, 4,067.33 and 1,621.04 is: 2,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.32 : 4,067.33 = 1,621.04 : x
  2. Step 2: Convert to fraction form
    2,947.32/4,067.33 = 1,621.04/x
  3. Step 3: Cross multiply
    2,947.32x = 4,067.33 × 1,621.04
  4. Step 4: Simplify right side
    2,947.32x = 6,593,276.18
  5. Step 5: Solve for x
    x = 6,593,276.18/2,947.32
  6. Step 6: Final answer
    x = 2,237.04

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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.