Home / 3,268.38-4,510.26-1,941.78

Finding the Fourth Proportional to 3,268.38, 4,510.26 and 1,941.78

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Solution

The fourth proportional to 3,268.38, 4,510.26 and 1,941.78 is: 2,679.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.38 : 4,510.26 = 1,941.78 : x
  2. Step 2: Convert to fraction form
    3,268.38/4,510.26 = 1,941.78/x
  3. Step 3: Cross multiply
    3,268.38x = 4,510.26 × 1,941.78
  4. Step 4: Simplify right side
    3,268.38x = 8,757,932.66
  5. Step 5: Solve for x
    x = 8,757,932.66/3,268.38
  6. Step 6: Final answer
    x = 2,679.59

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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.