Home / 5,647.82-8,469.63-1,949.04

Finding the Fourth Proportional to 5,647.82, 8,469.63 and 1,949.04

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Solution

The fourth proportional to 5,647.82, 8,469.63 and 1,949.04 is: 2,922.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.82 : 8,469.63 = 1,949.04 : x
  2. Step 2: Convert to fraction form
    5,647.82/8,469.63 = 1,949.04/x
  3. Step 3: Cross multiply
    5,647.82x = 8,469.63 × 1,949.04
  4. Step 4: Simplify right side
    5,647.82x = 16,507,647.66
  5. Step 5: Solve for x
    x = 16,507,647.66/5,647.82
  6. Step 6: Final answer
    x = 2,922.84

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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.