Home / 4,111.20-6,161.60-1,768.44

Finding the Fourth Proportional to 4,111.20, 6,161.60 and 1,768.44

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Solution

The fourth proportional to 4,111.20, 6,161.60 and 1,768.44 is: 2,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.20 : 6,161.60 = 1,768.44 : x
  2. Step 2: Convert to fraction form
    4,111.20/6,161.60 = 1,768.44/x
  3. Step 3: Cross multiply
    4,111.20x = 6,161.60 × 1,768.44
  4. Step 4: Simplify right side
    4,111.20x = 10,896,419.90
  5. Step 5: Solve for x
    x = 10,896,419.90/4,111.20
  6. Step 6: Final answer
    x = 2,650.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.