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Finding the Fourth Proportional to 5,805.99, 8,012.13 and 3,153.34

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Solution

The fourth proportional to 5,805.99, 8,012.13 and 3,153.34 is: 4,351.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.99 : 8,012.13 = 3,153.34 : x
  2. Step 2: Convert to fraction form
    5,805.99/8,012.13 = 3,153.34/x
  3. Step 3: Cross multiply
    5,805.99x = 8,012.13 × 3,153.34
  4. Step 4: Simplify right side
    5,805.99x = 25,264,991.85
  5. Step 5: Solve for x
    x = 25,264,991.85/5,805.99
  6. Step 6: Final answer
    x = 4,351.54

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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.