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Finding the Fourth Proportional to 5,857.99, 8,791.67 and 3,086.30

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Solution

The fourth proportional to 5,857.99, 8,791.67 and 3,086.30 is: 4,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.99 : 8,791.67 = 3,086.30 : x
  2. Step 2: Convert to fraction form
    5,857.99/8,791.67 = 3,086.30/x
  3. Step 3: Cross multiply
    5,857.99x = 8,791.67 × 3,086.30
  4. Step 4: Simplify right side
    5,857.99x = 27,133,760.82
  5. Step 5: Solve for x
    x = 27,133,760.82/5,857.99
  6. Step 6: Final answer
    x = 4,631.93

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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.