Home / 3,748.45-5,172.49-2,069.92

Finding the Fourth Proportional to 3,748.45, 5,172.49 and 2,069.92

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Solution

The fourth proportional to 3,748.45, 5,172.49 and 2,069.92 is: 2,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.45 : 5,172.49 = 2,069.92 : x
  2. Step 2: Convert to fraction form
    3,748.45/5,172.49 = 2,069.92/x
  3. Step 3: Cross multiply
    3,748.45x = 5,172.49 × 2,069.92
  4. Step 4: Simplify right side
    3,748.45x = 10,706,640.50
  5. Step 5: Solve for x
    x = 10,706,640.50/3,748.45
  6. Step 6: Final answer
    x = 2,856.28

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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.