Home / 4,109.22-6,163.56-1,918.44

Finding the Fourth Proportional to 4,109.22, 6,163.56 and 1,918.44

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Solution

The fourth proportional to 4,109.22, 6,163.56 and 1,918.44 is: 2,877.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.22 : 6,163.56 = 1,918.44 : x
  2. Step 2: Convert to fraction form
    4,109.22/6,163.56 = 1,918.44/x
  3. Step 3: Cross multiply
    4,109.22x = 6,163.56 × 1,918.44
  4. Step 4: Simplify right side
    4,109.22x = 11,824,420.05
  5. Step 5: Solve for x
    x = 11,824,420.05/4,109.22
  6. Step 6: Final answer
    x = 2,877.53

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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.