Home / 5,469.72-8,207.84-2,182.32

Finding the Fourth Proportional to 5,469.72, 8,207.84 and 2,182.32

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Solution

The fourth proportional to 5,469.72, 8,207.84 and 2,182.32 is: 3,274.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.72 : 8,207.84 = 2,182.32 : x
  2. Step 2: Convert to fraction form
    5,469.72/8,207.84 = 2,182.32/x
  3. Step 3: Cross multiply
    5,469.72x = 8,207.84 × 2,182.32
  4. Step 4: Simplify right side
    5,469.72x = 17,912,133.39
  5. Step 5: Solve for x
    x = 17,912,133.39/5,469.72
  6. Step 6: Final answer
    x = 3,274.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.