Home / 4,932.67-7,399.05-1,645.75

Finding the Fourth Proportional to 4,932.67, 7,399.05 and 1,645.75

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Solution

The fourth proportional to 4,932.67, 7,399.05 and 1,645.75 is: 2,468.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.67 : 7,399.05 = 1,645.75 : x
  2. Step 2: Convert to fraction form
    4,932.67/7,399.05 = 1,645.75/x
  3. Step 3: Cross multiply
    4,932.67x = 7,399.05 × 1,645.75
  4. Step 4: Simplify right side
    4,932.67x = 12,176,986.54
  5. Step 5: Solve for x
    x = 12,176,986.54/4,932.67
  6. Step 6: Final answer
    x = 2,468.64

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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.