Home / 3,288-4,934.43-1,556.63

Finding the Fourth Proportional to 3,288, 4,934.43 and 1,556.63

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Solution

The fourth proportional to 3,288, 4,934.43 and 1,556.63 is: 2,336.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288 : 4,934.43 = 1,556.63 : x
  2. Step 2: Convert to fraction form
    3,288/4,934.43 = 1,556.63/x
  3. Step 3: Cross multiply
    3,288x = 4,934.43 × 1,556.63
  4. Step 4: Simplify right side
    3,288x = 7,681,057.10
  5. Step 5: Solve for x
    x = 7,681,057.10/3,288
  6. Step 6: Final answer
    x = 2,336.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.