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Finding the Fourth Proportional to 5,805.77, 8,011.97 and 3,153.18

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Solution

The fourth proportional to 5,805.77, 8,011.97 and 3,153.18 is: 4,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.77 : 8,011.97 = 3,153.18 : x
  2. Step 2: Convert to fraction form
    5,805.77/8,011.97 = 3,153.18/x
  3. Step 3: Cross multiply
    5,805.77x = 8,011.97 × 3,153.18
  4. Step 4: Simplify right side
    5,805.77x = 25,263,183.56
  5. Step 5: Solve for x
    x = 25,263,183.56/5,805.77
  6. Step 6: Final answer
    x = 4,351.39

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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.