Home / 4,685.11-7,027.20-1,222.36

Finding the Fourth Proportional to 4,685.11, 7,027.20 and 1,222.36

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Solution

The fourth proportional to 4,685.11, 7,027.20 and 1,222.36 is: 1,833.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.11 : 7,027.20 = 1,222.36 : x
  2. Step 2: Convert to fraction form
    4,685.11/7,027.20 = 1,222.36/x
  3. Step 3: Cross multiply
    4,685.11x = 7,027.20 × 1,222.36
  4. Step 4: Simplify right side
    4,685.11x = 8,589,768.19
  5. Step 5: Solve for x
    x = 8,589,768.19/4,685.11
  6. Step 6: Final answer
    x = 1,833.42

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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.