Home / 5,280.94-7,286.97-3,042.64

Finding the Fourth Proportional to 5,280.94, 7,286.97 and 3,042.64

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Solution

The fourth proportional to 5,280.94, 7,286.97 and 3,042.64 is: 4,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.94 : 7,286.97 = 3,042.64 : x
  2. Step 2: Convert to fraction form
    5,280.94/7,286.97 = 3,042.64/x
  3. Step 3: Cross multiply
    5,280.94x = 7,286.97 × 3,042.64
  4. Step 4: Simplify right side
    5,280.94x = 22,171,626.40
  5. Step 5: Solve for x
    x = 22,171,626.40/5,280.94
  6. Step 6: Final answer
    x = 4,198.42

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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.