Home / 3,743.70-5,619-1,896.11

Finding the Fourth Proportional to 3,743.70, 5,619 and 1,896.11

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Solution

The fourth proportional to 3,743.70, 5,619 and 1,896.11 is: 2,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.70 : 5,619 = 1,896.11 : x
  2. Step 2: Convert to fraction form
    3,743.70/5,619 = 1,896.11/x
  3. Step 3: Cross multiply
    3,743.70x = 5,619 × 1,896.11
  4. Step 4: Simplify right side
    3,743.70x = 10,654,242.09
  5. Step 5: Solve for x
    x = 10,654,242.09/3,743.70
  6. Step 6: Final answer
    x = 2,845.91

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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.