Home / 5,286.28-7,296.68-3,049.64

Finding the Fourth Proportional to 5,286.28, 7,296.68 and 3,049.64

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Solution

The fourth proportional to 5,286.28, 7,296.68 and 3,049.64 is: 4,209.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.28 : 7,296.68 = 3,049.64 : x
  2. Step 2: Convert to fraction form
    5,286.28/7,296.68 = 3,049.64/x
  3. Step 3: Cross multiply
    5,286.28x = 7,296.68 × 3,049.64
  4. Step 4: Simplify right side
    5,286.28x = 22,252,247.20
  5. Step 5: Solve for x
    x = 22,252,247.20/5,286.28
  6. Step 6: Final answer
    x = 4,209.43

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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.