Home / 2,193.60-3,288.96-1,963.20

Finding the Fourth Proportional to 2,193.60, 3,288.96 and 1,963.20

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Solution

The fourth proportional to 2,193.60, 3,288.96 and 1,963.20 is: 2,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.60 : 3,288.96 = 1,963.20 : x
  2. Step 2: Convert to fraction form
    2,193.60/3,288.96 = 1,963.20/x
  3. Step 3: Cross multiply
    2,193.60x = 3,288.96 × 1,963.20
  4. Step 4: Simplify right side
    2,193.60x = 6,456,886.27
  5. Step 5: Solve for x
    x = 6,456,886.27/2,193.60
  6. Step 6: Final answer
    x = 2,943.51

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Similar ratio
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1.5x scale

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.