Home / 8,971.41-13,451.99-2,729.58

Finding the Fourth Proportional to 8,971.41, 13,451.99 and 2,729.58

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Solution

The fourth proportional to 8,971.41, 13,451.99 and 2,729.58 is: 4,092.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.41 : 13,451.99 = 2,729.58 : x
  2. Step 2: Convert to fraction form
    8,971.41/13,451.99 = 2,729.58/x
  3. Step 3: Cross multiply
    8,971.41x = 13,451.99 × 2,729.58
  4. Step 4: Simplify right side
    8,971.41x = 36,718,201.96
  5. Step 5: Solve for x
    x = 36,718,201.96/8,971.41
  6. Step 6: Final answer
    x = 4,092.80

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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.