Home / 4,112.76-6,196.92-3,398.34

Finding the Fourth Proportional to 4,112.76, 6,196.92 and 3,398.34

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Solution

The fourth proportional to 4,112.76, 6,196.92 and 3,398.34 is: 5,120.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.76 : 6,196.92 = 3,398.34 : x
  2. Step 2: Convert to fraction form
    4,112.76/6,196.92 = 3,398.34/x
  3. Step 3: Cross multiply
    4,112.76x = 6,196.92 × 3,398.34
  4. Step 4: Simplify right side
    4,112.76x = 21,059,241.11
  5. Step 5: Solve for x
    x = 21,059,241.11/4,112.76
  6. Step 6: Final answer
    x = 5,120.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.