Home / 5,340.25-7,369.55-2,982.41

Finding the Fourth Proportional to 5,340.25, 7,369.55 and 2,982.41

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Solution

The fourth proportional to 5,340.25, 7,369.55 and 2,982.41 is: 4,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.25 : 7,369.55 = 2,982.41 : x
  2. Step 2: Convert to fraction form
    5,340.25/7,369.55 = 2,982.41/x
  3. Step 3: Cross multiply
    5,340.25x = 7,369.55 × 2,982.41
  4. Step 4: Simplify right side
    5,340.25x = 21,979,004.70
  5. Step 5: Solve for x
    x = 21,979,004.70/5,340.25
  6. Step 6: Final answer
    x = 4,115.73

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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.