Home / 5,280.44-7,286.28-3,042.14

Finding the Fourth Proportional to 5,280.44, 7,286.28 and 3,042.14

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Solution

The fourth proportional to 5,280.44, 7,286.28 and 3,042.14 is: 4,197.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.44 : 7,286.28 = 3,042.14 : x
  2. Step 2: Convert to fraction form
    5,280.44/7,286.28 = 3,042.14/x
  3. Step 3: Cross multiply
    5,280.44x = 7,286.28 × 3,042.14
  4. Step 4: Simplify right side
    5,280.44x = 22,165,883.84
  5. Step 5: Solve for x
    x = 22,165,883.84/5,280.44
  6. Step 6: Final answer
    x = 4,197.73

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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.