Home / 3,296.28-4,548.40-2,179.36

Finding the Fourth Proportional to 3,296.28, 4,548.40 and 2,179.36

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Solution

The fourth proportional to 3,296.28, 4,548.40 and 2,179.36 is: 3,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.28 : 4,548.40 = 2,179.36 : x
  2. Step 2: Convert to fraction form
    3,296.28/4,548.40 = 2,179.36/x
  3. Step 3: Cross multiply
    3,296.28x = 4,548.40 × 2,179.36
  4. Step 4: Simplify right side
    3,296.28x = 9,912,601.02
  5. Step 5: Solve for x
    x = 9,912,601.02/3,296.28
  6. Step 6: Final answer
    x = 3,007.21

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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.