Home / 2,940.22-4,057.68-1,762.12

Finding the Fourth Proportional to 2,940.22, 4,057.68 and 1,762.12

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Solution

The fourth proportional to 2,940.22, 4,057.68 and 1,762.12 is: 2,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.22 : 4,057.68 = 1,762.12 : x
  2. Step 2: Convert to fraction form
    2,940.22/4,057.68 = 1,762.12/x
  3. Step 3: Cross multiply
    2,940.22x = 4,057.68 × 1,762.12
  4. Step 4: Simplify right side
    2,940.22x = 7,150,119.08
  5. Step 5: Solve for x
    x = 7,150,119.08/2,940.22
  6. Step 6: Final answer
    x = 2,431.83

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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.