Home / 5,192.06-7,790.10-1,907.42

Finding the Fourth Proportional to 5,192.06, 7,790.10 and 1,907.42

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Solution

The fourth proportional to 5,192.06, 7,790.10 and 1,907.42 is: 2,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.06 : 7,790.10 = 1,907.42 : x
  2. Step 2: Convert to fraction form
    5,192.06/7,790.10 = 1,907.42/x
  3. Step 3: Cross multiply
    5,192.06x = 7,790.10 × 1,907.42
  4. Step 4: Simplify right side
    5,192.06x = 14,858,992.54
  5. Step 5: Solve for x
    x = 14,858,992.54/5,192.06
  6. Step 6: Final answer
    x = 2,861.87

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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.