Home / 2,568.26-3,541.65-1,940.42

Finding the Fourth Proportional to 2,568.26, 3,541.65 and 1,940.42

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Solution

The fourth proportional to 2,568.26, 3,541.65 and 1,940.42 is: 2,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.26 : 3,541.65 = 1,940.42 : x
  2. Step 2: Convert to fraction form
    2,568.26/3,541.65 = 1,940.42/x
  3. Step 3: Cross multiply
    2,568.26x = 3,541.65 × 1,940.42
  4. Step 4: Simplify right side
    2,568.26x = 6,872,288.49
  5. Step 5: Solve for x
    x = 6,872,288.49/2,568.26
  6. Step 6: Final answer
    x = 2,675.85

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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.