Home / 4,938.23-7,399.86-2,163.35

Finding the Fourth Proportional to 4,938.23, 7,399.86 and 2,163.35

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Solution

The fourth proportional to 4,938.23, 7,399.86 and 2,163.35 is: 3,241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.23 : 7,399.86 = 2,163.35 : x
  2. Step 2: Convert to fraction form
    4,938.23/7,399.86 = 2,163.35/x
  3. Step 3: Cross multiply
    4,938.23x = 7,399.86 × 2,163.35
  4. Step 4: Simplify right side
    4,938.23x = 16,008,450.13
  5. Step 5: Solve for x
    x = 16,008,450.13/4,938.23
  6. Step 6: Final answer
    x = 3,241.74

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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.