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Finding the Fourth Proportional to 5,891.36, 8,123.91 and 4,396.88

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Solution

The fourth proportional to 5,891.36, 8,123.91 and 4,396.88 is: 6,063.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.36 : 8,123.91 = 4,396.88 : x
  2. Step 2: Convert to fraction form
    5,891.36/8,123.91 = 4,396.88/x
  3. Step 3: Cross multiply
    5,891.36x = 8,123.91 × 4,396.88
  4. Step 4: Simplify right side
    5,891.36x = 35,719,857.40
  5. Step 5: Solve for x
    x = 35,719,857.40/5,891.36
  6. Step 6: Final answer
    x = 6,063.09

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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.