Home / 2,836.27-3,912.92-1,641.03

Finding the Fourth Proportional to 2,836.27, 3,912.92 and 1,641.03

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Solution

The fourth proportional to 2,836.27, 3,912.92 and 1,641.03 is: 2,263.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.27 : 3,912.92 = 1,641.03 : x
  2. Step 2: Convert to fraction form
    2,836.27/3,912.92 = 1,641.03/x
  3. Step 3: Cross multiply
    2,836.27x = 3,912.92 × 1,641.03
  4. Step 4: Simplify right side
    2,836.27x = 6,421,233.62
  5. Step 5: Solve for x
    x = 6,421,233.62/2,836.27
  6. Step 6: Final answer
    x = 2,263.97

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1.5x scale

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.