Home / 3,515.12-4,850.72-2,022.02

Finding the Fourth Proportional to 3,515.12, 4,850.72 and 2,022.02

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Solution

The fourth proportional to 3,515.12, 4,850.72 and 2,022.02 is: 2,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.12 : 4,850.72 = 2,022.02 : x
  2. Step 2: Convert to fraction form
    3,515.12/4,850.72 = 2,022.02/x
  3. Step 3: Cross multiply
    3,515.12x = 4,850.72 × 2,022.02
  4. Step 4: Simplify right side
    3,515.12x = 9,808,252.85
  5. Step 5: Solve for x
    x = 9,808,252.85/3,515.12
  6. Step 6: Final answer
    x = 2,790.30

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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.