Home / 3,474.40-4,795.12-1,982.80

Finding the Fourth Proportional to 3,474.40, 4,795.12 and 1,982.80

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Solution

The fourth proportional to 3,474.40, 4,795.12 and 1,982.80 is: 2,736.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.40 : 4,795.12 = 1,982.80 : x
  2. Step 2: Convert to fraction form
    3,474.40/4,795.12 = 1,982.80/x
  3. Step 3: Cross multiply
    3,474.40x = 4,795.12 × 1,982.80
  4. Step 4: Simplify right side
    3,474.40x = 9,507,763.94
  5. Step 5: Solve for x
    x = 9,507,763.94/3,474.40
  6. Step 6: Final answer
    x = 2,736.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.