Home / 3,329.28-4,994.97-1,138.02

Finding the Fourth Proportional to 3,329.28, 4,994.97 and 1,138.02

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Solution

The fourth proportional to 3,329.28, 4,994.97 and 1,138.02 is: 1,707.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.28 : 4,994.97 = 1,138.02 : x
  2. Step 2: Convert to fraction form
    3,329.28/4,994.97 = 1,138.02/x
  3. Step 3: Cross multiply
    3,329.28x = 4,994.97 × 1,138.02
  4. Step 4: Simplify right side
    3,329.28x = 5,684,375.76
  5. Step 5: Solve for x
    x = 5,684,375.76/3,329.28
  6. Step 6: Final answer
    x = 1,707.39

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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.