Home / 3,296.40-4,933.68-2,749.68

Finding the Fourth Proportional to 3,296.40, 4,933.68 and 2,749.68

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Solution

The fourth proportional to 3,296.40, 4,933.68 and 2,749.68 is: 4,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.40 : 4,933.68 = 2,749.68 : x
  2. Step 2: Convert to fraction form
    3,296.40/4,933.68 = 2,749.68/x
  3. Step 3: Cross multiply
    3,296.40x = 4,933.68 × 2,749.68
  4. Step 4: Simplify right side
    3,296.40x = 13,566,041.22
  5. Step 5: Solve for x
    x = 13,566,041.22/3,296.40
  6. Step 6: Final answer
    x = 4,115.41

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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.