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Finding the Fourth Proportional to 3,906.36, 5,856.33 and 1,825.34

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Solution

The fourth proportional to 3,906.36, 5,856.33 and 1,825.34 is: 2,736.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906.36 : 5,856.33 = 1,825.34 : x
  2. Step 2: Convert to fraction form
    3,906.36/5,856.33 = 1,825.34/x
  3. Step 3: Cross multiply
    3,906.36x = 5,856.33 × 1,825.34
  4. Step 4: Simplify right side
    3,906.36x = 10,689,764.12
  5. Step 5: Solve for x
    x = 10,689,764.12/3,906.36
  6. Step 6: Final answer
    x = 2,736.50

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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.