Home / 7,052.09-10,578.40-2,122.43

Finding the Fourth Proportional to 7,052.09, 10,578.40 and 2,122.43

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Solution

The fourth proportional to 7,052.09, 10,578.40 and 2,122.43 is: 3,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,052.09 : 10,578.40 = 2,122.43 : x
  2. Step 2: Convert to fraction form
    7,052.09/10,578.40 = 2,122.43/x
  3. Step 3: Cross multiply
    7,052.09x = 10,578.40 × 2,122.43
  4. Step 4: Simplify right side
    7,052.09x = 22,451,855.31
  5. Step 5: Solve for x
    x = 22,451,855.31/7,052.09
  6. Step 6: Final answer
    x = 3,183.72

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1.5x scale

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.