Home / 3,202.49-4,415.45-2,672.15

Finding the Fourth Proportional to 3,202.49, 4,415.45 and 2,672.15

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Solution

The fourth proportional to 3,202.49, 4,415.45 and 2,672.15 is: 3,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.49 : 4,415.45 = 2,672.15 : x
  2. Step 2: Convert to fraction form
    3,202.49/4,415.45 = 2,672.15/x
  3. Step 3: Cross multiply
    3,202.49x = 4,415.45 × 2,672.15
  4. Step 4: Simplify right side
    3,202.49x = 11,798,709.28
  5. Step 5: Solve for x
    x = 11,798,709.28/3,202.49
  6. Step 6: Final answer
    x = 3,684.23

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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.