Home / 2,786.82-4,182.22-2,058.36

Finding the Fourth Proportional to 2,786.82, 4,182.22 and 2,058.36

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Solution

The fourth proportional to 2,786.82, 4,182.22 and 2,058.36 is: 3,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.82 : 4,182.22 = 2,058.36 : x
  2. Step 2: Convert to fraction form
    2,786.82/4,182.22 = 2,058.36/x
  3. Step 3: Cross multiply
    2,786.82x = 4,182.22 × 2,058.36
  4. Step 4: Simplify right side
    2,786.82x = 8,608,514.36
  5. Step 5: Solve for x
    x = 8,608,514.36/2,786.82
  6. Step 6: Final answer
    x = 3,089.01

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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.