Home / 5,426.44-7,489.83-3,069.97

Finding the Fourth Proportional to 5,426.44, 7,489.83 and 3,069.97

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Solution

The fourth proportional to 5,426.44, 7,489.83 and 3,069.97 is: 4,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.44 : 7,489.83 = 3,069.97 : x
  2. Step 2: Convert to fraction form
    5,426.44/7,489.83 = 3,069.97/x
  3. Step 3: Cross multiply
    5,426.44x = 7,489.83 × 3,069.97
  4. Step 4: Simplify right side
    5,426.44x = 22,993,553.41
  5. Step 5: Solve for x
    x = 22,993,553.41/5,426.44
  6. Step 6: Final answer
    x = 4,237.32

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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.