Home / 4,942.38-6,819.48-2,952.21

Finding the Fourth Proportional to 4,942.38, 6,819.48 and 2,952.21

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Solution

The fourth proportional to 4,942.38, 6,819.48 and 2,952.21 is: 4,073.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.38 : 6,819.48 = 2,952.21 : x
  2. Step 2: Convert to fraction form
    4,942.38/6,819.48 = 2,952.21/x
  3. Step 3: Cross multiply
    4,942.38x = 6,819.48 × 2,952.21
  4. Step 4: Simplify right side
    4,942.38x = 20,132,537.05
  5. Step 5: Solve for x
    x = 20,132,537.05/4,942.38
  6. Step 6: Final answer
    x = 4,073.45

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1.5x scale

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.