Home / 4,122.78-6,184.26-1,201.02

Finding the Fourth Proportional to 4,122.78, 6,184.26 and 1,201.02

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Solution

The fourth proportional to 4,122.78, 6,184.26 and 1,201.02 is: 1,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.78 : 6,184.26 = 1,201.02 : x
  2. Step 2: Convert to fraction form
    4,122.78/6,184.26 = 1,201.02/x
  3. Step 3: Cross multiply
    4,122.78x = 6,184.26 × 1,201.02
  4. Step 4: Simplify right side
    4,122.78x = 7,427,419.95
  5. Step 5: Solve for x
    x = 7,427,419.95/4,122.78
  6. Step 6: Final answer
    x = 1,801.56

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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.