Home / 4,121.96-5,687.42-2,352.92

Finding the Fourth Proportional to 4,121.96, 5,687.42 and 2,352.92

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Solution

The fourth proportional to 4,121.96, 5,687.42 and 2,352.92 is: 3,246.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.96 : 5,687.42 = 2,352.92 : x
  2. Step 2: Convert to fraction form
    4,121.96/5,687.42 = 2,352.92/x
  3. Step 3: Cross multiply
    4,121.96x = 5,687.42 × 2,352.92
  4. Step 4: Simplify right side
    4,121.96x = 13,382,004.06
  5. Step 5: Solve for x
    x = 13,382,004.06/4,121.96
  6. Step 6: Final answer
    x = 3,246.52

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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.