Home / 2,972.55-4,439.49-2,694.33

Finding the Fourth Proportional to 2,972.55, 4,439.49 and 2,694.33

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Solution

The fourth proportional to 2,972.55, 4,439.49 and 2,694.33 is: 4,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.55 : 4,439.49 = 2,694.33 : x
  2. Step 2: Convert to fraction form
    2,972.55/4,439.49 = 2,694.33/x
  3. Step 3: Cross multiply
    2,972.55x = 4,439.49 × 2,694.33
  4. Step 4: Simplify right side
    2,972.55x = 11,961,451.09
  5. Step 5: Solve for x
    x = 11,961,451.09/2,972.55
  6. Step 6: Final answer
    x = 4,023.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.