Home / 2,568.33-3,849.26-2,140.65

Finding the Fourth Proportional to 2,568.33, 3,849.26 and 2,140.65

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Solution

The fourth proportional to 2,568.33, 3,849.26 and 2,140.65 is: 3,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.33 : 3,849.26 = 2,140.65 : x
  2. Step 2: Convert to fraction form
    2,568.33/3,849.26 = 2,140.65/x
  3. Step 3: Cross multiply
    2,568.33x = 3,849.26 × 2,140.65
  4. Step 4: Simplify right side
    2,568.33x = 8,239,907.72
  5. Step 5: Solve for x
    x = 8,239,907.72/2,568.33
  6. Step 6: Final answer
    x = 3,208.27

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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.