Home / 5,878.45-8,112.39-3,226

Finding the Fourth Proportional to 5,878.45, 8,112.39 and 3,226

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Solution

The fourth proportional to 5,878.45, 8,112.39 and 3,226 is: 4,451.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.45 : 8,112.39 = 3,226 : x
  2. Step 2: Convert to fraction form
    5,878.45/8,112.39 = 3,226/x
  3. Step 3: Cross multiply
    5,878.45x = 8,112.39 × 3,226
  4. Step 4: Simplify right side
    5,878.45x = 26,170,570.14
  5. Step 5: Solve for x
    x = 26,170,570.14/5,878.45
  6. Step 6: Final answer
    x = 4,451.95

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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.