Home / 3,192.20-4,406.36-1,996.64

Finding the Fourth Proportional to 3,192.20, 4,406.36 and 1,996.64

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Solution

The fourth proportional to 3,192.20, 4,406.36 and 1,996.64 is: 2,756.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.20 : 4,406.36 = 1,996.64 : x
  2. Step 2: Convert to fraction form
    3,192.20/4,406.36 = 1,996.64/x
  3. Step 3: Cross multiply
    3,192.20x = 4,406.36 × 1,996.64
  4. Step 4: Simplify right side
    3,192.20x = 8,797,914.63
  5. Step 5: Solve for x
    x = 8,797,914.63/3,192.20
  6. Step 6: Final answer
    x = 2,756.07

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1.5x scale

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.