Home / 1,936.62-2,668.08-1,338.54

Finding the Fourth Proportional to 1,936.62, 2,668.08 and 1,338.54

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Solution

The fourth proportional to 1,936.62, 2,668.08 and 1,338.54 is: 1,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.62 : 2,668.08 = 1,338.54 : x
  2. Step 2: Convert to fraction form
    1,936.62/2,668.08 = 1,338.54/x
  3. Step 3: Cross multiply
    1,936.62x = 2,668.08 × 1,338.54
  4. Step 4: Simplify right side
    1,936.62x = 3,571,331.80
  5. Step 5: Solve for x
    x = 3,571,331.80/1,936.62
  6. Step 6: Final answer
    x = 1,844.11

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Why These Related Problems?

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