Home / 5,396.82-8,091.86-2,275.22

Finding the Fourth Proportional to 5,396.82, 8,091.86 and 2,275.22

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Solution

The fourth proportional to 5,396.82, 8,091.86 and 2,275.22 is: 3,411.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.82 : 8,091.86 = 2,275.22 : x
  2. Step 2: Convert to fraction form
    5,396.82/8,091.86 = 2,275.22/x
  3. Step 3: Cross multiply
    5,396.82x = 8,091.86 × 2,275.22
  4. Step 4: Simplify right side
    5,396.82x = 18,410,761.71
  5. Step 5: Solve for x
    x = 18,410,761.71/5,396.82
  6. Step 6: Final answer
    x = 3,411.41

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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.