Home / 5,022.21-7,530.75-2,942.88

Finding the Fourth Proportional to 5,022.21, 7,530.75 and 2,942.88

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Solution

The fourth proportional to 5,022.21, 7,530.75 and 2,942.88 is: 4,412.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.21 : 7,530.75 = 2,942.88 : x
  2. Step 2: Convert to fraction form
    5,022.21/7,530.75 = 2,942.88/x
  3. Step 3: Cross multiply
    5,022.21x = 7,530.75 × 2,942.88
  4. Step 4: Simplify right side
    5,022.21x = 22,162,093.56
  5. Step 5: Solve for x
    x = 22,162,093.56/5,022.21
  6. Step 6: Final answer
    x = 4,412.82

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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.