Home / 5,192.92-7,790.22-2,072.92

Finding the Fourth Proportional to 5,192.92, 7,790.22 and 2,072.92

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Solution

The fourth proportional to 5,192.92, 7,790.22 and 2,072.92 is: 3,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.92 : 7,790.22 = 2,072.92 : x
  2. Step 2: Convert to fraction form
    5,192.92/7,790.22 = 2,072.92/x
  3. Step 3: Cross multiply
    5,192.92x = 7,790.22 × 2,072.92
  4. Step 4: Simplify right side
    5,192.92x = 16,148,502.84
  5. Step 5: Solve for x
    x = 16,148,502.84/5,192.92
  6. Step 6: Final answer
    x = 3,109.72

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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.