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Finding the Fourth Proportional to 5,873.78, 8,105.94 and 3,635.66

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Solution

The fourth proportional to 5,873.78, 8,105.94 and 3,635.66 is: 5,017.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.78 : 8,105.94 = 3,635.66 : x
  2. Step 2: Convert to fraction form
    5,873.78/8,105.94 = 3,635.66/x
  3. Step 3: Cross multiply
    5,873.78x = 8,105.94 × 3,635.66
  4. Step 4: Simplify right side
    5,873.78x = 29,470,441.82
  5. Step 5: Solve for x
    x = 29,470,441.82/5,873.78
  6. Step 6: Final answer
    x = 5,017.29

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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.