Home / 3,439.27-4,747.31-2,022.88

Finding the Fourth Proportional to 3,439.27, 4,747.31 and 2,022.88

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Solution

The fourth proportional to 3,439.27, 4,747.31 and 2,022.88 is: 2,792.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.27 : 4,747.31 = 2,022.88 : x
  2. Step 2: Convert to fraction form
    3,439.27/4,747.31 = 2,022.88/x
  3. Step 3: Cross multiply
    3,439.27x = 4,747.31 × 2,022.88
  4. Step 4: Simplify right side
    3,439.27x = 9,603,238.45
  5. Step 5: Solve for x
    x = 9,603,238.45/3,439.27
  6. Step 6: Final answer
    x = 2,792.23

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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.