Home / 3,162.18-4,745.16-1,216.02

Finding the Fourth Proportional to 3,162.18, 4,745.16 and 1,216.02

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Solution

The fourth proportional to 3,162.18, 4,745.16 and 1,216.02 is: 1,824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.18 : 4,745.16 = 1,216.02 : x
  2. Step 2: Convert to fraction form
    3,162.18/4,745.16 = 1,216.02/x
  3. Step 3: Cross multiply
    3,162.18x = 4,745.16 × 1,216.02
  4. Step 4: Simplify right side
    3,162.18x = 5,770,209.46
  5. Step 5: Solve for x
    x = 5,770,209.46/3,162.18
  6. Step 6: Final answer
    x = 1,824.76

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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.