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Finding the Fourth Proportional to 3,579.91, 5,367.15 and 2,347.63

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Solution

The fourth proportional to 3,579.91, 5,367.15 and 2,347.63 is: 3,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.91 : 5,367.15 = 2,347.63 : x
  2. Step 2: Convert to fraction form
    3,579.91/5,367.15 = 2,347.63/x
  3. Step 3: Cross multiply
    3,579.91x = 5,367.15 × 2,347.63
  4. Step 4: Simplify right side
    3,579.91x = 12,600,082.35
  5. Step 5: Solve for x
    x = 12,600,082.35/3,579.91
  6. Step 6: Final answer
    x = 3,519.66

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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.