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Finding the Fourth Proportional to 3,786.96, 5,228.42 and 2,593.95

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Solution

The fourth proportional to 3,786.96, 5,228.42 and 2,593.95 is: 3,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.96 : 5,228.42 = 2,593.95 : x
  2. Step 2: Convert to fraction form
    3,786.96/5,228.42 = 2,593.95/x
  3. Step 3: Cross multiply
    3,786.96x = 5,228.42 × 2,593.95
  4. Step 4: Simplify right side
    3,786.96x = 13,562,247.09
  5. Step 5: Solve for x
    x = 13,562,247.09/3,786.96
  6. Step 6: Final answer
    x = 3,581.30

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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.