Home / 2,743.75-3,786.38-1,501.75

Finding the Fourth Proportional to 2,743.75, 3,786.38 and 1,501.75

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Solution

The fourth proportional to 2,743.75, 3,786.38 and 1,501.75 is: 2,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.75 : 3,786.38 = 1,501.75 : x
  2. Step 2: Convert to fraction form
    2,743.75/3,786.38 = 1,501.75/x
  3. Step 3: Cross multiply
    2,743.75x = 3,786.38 × 1,501.75
  4. Step 4: Simplify right side
    2,743.75x = 5,686,196.17
  5. Step 5: Solve for x
    x = 5,686,196.17/2,743.75
  6. Step 6: Final answer
    x = 2,072.42

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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.