Home / 7,100.23-10,650.20-1,906.11

Finding the Fourth Proportional to 7,100.23, 10,650.20 and 1,906.11

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Solution

The fourth proportional to 7,100.23, 10,650.20 and 1,906.11 is: 2,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.23 : 10,650.20 = 1,906.11 : x
  2. Step 2: Convert to fraction form
    7,100.23/10,650.20 = 1,906.11/x
  3. Step 3: Cross multiply
    7,100.23x = 10,650.20 × 1,906.11
  4. Step 4: Simplify right side
    7,100.23x = 20,300,415.92
  5. Step 5: Solve for x
    x = 20,300,415.92/7,100.23
  6. Step 6: Final answer
    x = 2,859.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.