Home / 5,074.21-7,002.39-2,836.09

Finding the Fourth Proportional to 5,074.21, 7,002.39 and 2,836.09

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Solution

The fourth proportional to 5,074.21, 7,002.39 and 2,836.09 is: 3,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.21 : 7,002.39 = 2,836.09 : x
  2. Step 2: Convert to fraction form
    5,074.21/7,002.39 = 2,836.09/x
  3. Step 3: Cross multiply
    5,074.21x = 7,002.39 × 2,836.09
  4. Step 4: Simplify right side
    5,074.21x = 19,859,408.26
  5. Step 5: Solve for x
    x = 19,859,408.26/5,074.21
  6. Step 6: Final answer
    x = 3,913.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.