Home / 7,104.09-10,654.92-1,908.75

Finding the Fourth Proportional to 7,104.09, 10,654.92 and 1,908.75

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Solution

The fourth proportional to 7,104.09, 10,654.92 and 1,908.75 is: 2,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.09 : 10,654.92 = 1,908.75 : x
  2. Step 2: Convert to fraction form
    7,104.09/10,654.92 = 1,908.75/x
  3. Step 3: Cross multiply
    7,104.09x = 10,654.92 × 1,908.75
  4. Step 4: Simplify right side
    7,104.09x = 20,337,578.55
  5. Step 5: Solve for x
    x = 20,337,578.55/7,104.09
  6. Step 6: Final answer
    x = 2,862.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.