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Finding the Fourth Proportional to 5,579.56, 8,367.09 and 2,290.42

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Solution

The fourth proportional to 5,579.56, 8,367.09 and 2,290.42 is: 3,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.56 : 8,367.09 = 2,290.42 : x
  2. Step 2: Convert to fraction form
    5,579.56/8,367.09 = 2,290.42/x
  3. Step 3: Cross multiply
    5,579.56x = 8,367.09 × 2,290.42
  4. Step 4: Simplify right side
    5,579.56x = 19,164,150.28
  5. Step 5: Solve for x
    x = 19,164,150.28/5,579.56
  6. Step 6: Final answer
    x = 3,434.71

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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.