Home / 5,878.26-8,112.11-3,225.78

Finding the Fourth Proportional to 5,878.26, 8,112.11 and 3,225.78

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Solution

The fourth proportional to 5,878.26, 8,112.11 and 3,225.78 is: 4,451.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.26 : 8,112.11 = 3,225.78 : x
  2. Step 2: Convert to fraction form
    5,878.26/8,112.11 = 3,225.78/x
  3. Step 3: Cross multiply
    5,878.26x = 8,112.11 × 3,225.78
  4. Step 4: Simplify right side
    5,878.26x = 26,167,866.07
  5. Step 5: Solve for x
    x = 26,167,866.07/5,878.26
  6. Step 6: Final answer
    x = 4,451.63

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1.5x scale

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.