Home / 5,192.12-7,788.03-2,072.91

Finding the Fourth Proportional to 5,192.12, 7,788.03 and 2,072.91

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Solution

The fourth proportional to 5,192.12, 7,788.03 and 2,072.91 is: 3,109.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.12 : 7,788.03 = 2,072.91 : x
  2. Step 2: Convert to fraction form
    5,192.12/7,788.03 = 2,072.91/x
  3. Step 3: Cross multiply
    5,192.12x = 7,788.03 × 2,072.91
  4. Step 4: Simplify right side
    5,192.12x = 16,143,885.27
  5. Step 5: Solve for x
    x = 16,143,885.27/5,192.12
  6. Step 6: Final answer
    x = 3,109.31

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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.