Home / 4,102.76-6,181.83-3,388.34

Finding the Fourth Proportional to 4,102.76, 6,181.83 and 3,388.34

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Solution

The fourth proportional to 4,102.76, 6,181.83 and 3,388.34 is: 5,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.76 : 6,181.83 = 3,388.34 : x
  2. Step 2: Convert to fraction form
    4,102.76/6,181.83 = 3,388.34/x
  3. Step 3: Cross multiply
    4,102.76x = 6,181.83 × 3,388.34
  4. Step 4: Simplify right side
    4,102.76x = 20,946,141.86
  5. Step 5: Solve for x
    x = 20,946,141.86/4,102.76
  6. Step 6: Final answer
    x = 5,105.38

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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.