Home / 5,718.21-8,578.32-2,022.57

Finding the Fourth Proportional to 5,718.21, 8,578.32 and 2,022.57

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Solution

The fourth proportional to 5,718.21, 8,578.32 and 2,022.57 is: 3,034.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.21 : 8,578.32 = 2,022.57 : x
  2. Step 2: Convert to fraction form
    5,718.21/8,578.32 = 2,022.57/x
  3. Step 3: Cross multiply
    5,718.21x = 8,578.32 × 2,022.57
  4. Step 4: Simplify right side
    5,718.21x = 17,350,252.68
  5. Step 5: Solve for x
    x = 17,350,252.68/5,718.21
  6. Step 6: Final answer
    x = 3,034.21

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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.