Home / 3,505.68-5,255.28-1,769.04

Finding the Fourth Proportional to 3,505.68, 5,255.28 and 1,769.04

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Solution

The fourth proportional to 3,505.68, 5,255.28 and 1,769.04 is: 2,651.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.68 : 5,255.28 = 1,769.04 : x
  2. Step 2: Convert to fraction form
    3,505.68/5,255.28 = 1,769.04/x
  3. Step 3: Cross multiply
    3,505.68x = 5,255.28 × 1,769.04
  4. Step 4: Simplify right side
    3,505.68x = 9,296,800.53
  5. Step 5: Solve for x
    x = 9,296,800.53/3,505.68
  6. Step 6: Final answer
    x = 2,651.93

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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.