Home / 5,720.46-8,578.64-2,022.80

Finding the Fourth Proportional to 5,720.46, 8,578.64 and 2,022.80

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Solution

The fourth proportional to 5,720.46, 8,578.64 and 2,022.80 is: 3,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.46 : 8,578.64 = 2,022.80 : x
  2. Step 2: Convert to fraction form
    5,720.46/8,578.64 = 2,022.80/x
  3. Step 3: Cross multiply
    5,720.46x = 8,578.64 × 2,022.80
  4. Step 4: Simplify right side
    5,720.46x = 17,352,872.99
  5. Step 5: Solve for x
    x = 17,352,872.99/5,720.46
  6. Step 6: Final answer
    x = 3,033.48

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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.