Home / 2,193.38-3,268.96-2,189.96

Finding the Fourth Proportional to 2,193.38, 3,268.96 and 2,189.96

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Solution

The fourth proportional to 2,193.38, 3,268.96 and 2,189.96 is: 3,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.38 : 3,268.96 = 2,189.96 : x
  2. Step 2: Convert to fraction form
    2,193.38/3,268.96 = 2,189.96/x
  3. Step 3: Cross multiply
    2,193.38x = 3,268.96 × 2,189.96
  4. Step 4: Simplify right side
    2,193.38x = 7,158,891.27
  5. Step 5: Solve for x
    x = 7,158,891.27/2,193.38
  6. Step 6: Final answer
    x = 3,263.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.