Home / 7,371.78-11,058.75-2,176.98

Finding the Fourth Proportional to 7,371.78, 11,058.75 and 2,176.98

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Solution

The fourth proportional to 7,371.78, 11,058.75 and 2,176.98 is: 3,265.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.78 : 11,058.75 = 2,176.98 : x
  2. Step 2: Convert to fraction form
    7,371.78/11,058.75 = 2,176.98/x
  3. Step 3: Cross multiply
    7,371.78x = 11,058.75 × 2,176.98
  4. Step 4: Simplify right side
    7,371.78x = 24,074,677.58
  5. Step 5: Solve for x
    x = 24,074,677.58/7,371.78
  6. Step 6: Final answer
    x = 3,265.79

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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.