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Finding the Fourth Proportional to 3,905.91, 5,859.36 and 1,797.03

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Solution

The fourth proportional to 3,905.91, 5,859.36 and 1,797.03 is: 2,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.91 : 5,859.36 = 1,797.03 : x
  2. Step 2: Convert to fraction form
    3,905.91/5,859.36 = 1,797.03/x
  3. Step 3: Cross multiply
    3,905.91x = 5,859.36 × 1,797.03
  4. Step 4: Simplify right side
    3,905.91x = 10,529,445.70
  5. Step 5: Solve for x
    x = 10,529,445.70/3,905.91
  6. Step 6: Final answer
    x = 2,695.77

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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.