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Finding the Fourth Proportional to 3,809.07, 5,713.61 and 1,035.75

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Solution

The fourth proportional to 3,809.07, 5,713.61 and 1,035.75 is: 1,553.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.07 : 5,713.61 = 1,035.75 : x
  2. Step 2: Convert to fraction form
    3,809.07/5,713.61 = 1,035.75/x
  3. Step 3: Cross multiply
    3,809.07x = 5,713.61 × 1,035.75
  4. Step 4: Simplify right side
    3,809.07x = 5,917,871.56
  5. Step 5: Solve for x
    x = 5,917,871.56/3,809.07
  6. Step 6: Final answer
    x = 1,553.63

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Similar ratio
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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.