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Finding the Fourth Proportional to 5,808.85, 8,016.90 and 3,451

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Solution

The fourth proportional to 5,808.85, 8,016.90 and 3,451 is: 4,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.85 : 8,016.90 = 3,451 : x
  2. Step 2: Convert to fraction form
    5,808.85/8,016.90 = 3,451/x
  3. Step 3: Cross multiply
    5,808.85x = 8,016.90 × 3,451
  4. Step 4: Simplify right side
    5,808.85x = 27,666,321.90
  5. Step 5: Solve for x
    x = 27,666,321.90/5,808.85
  6. Step 6: Final answer
    x = 4,762.79

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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.