Home / 7,193.86-10,792.20-2,811.04

Finding the Fourth Proportional to 7,193.86, 10,792.20 and 2,811.04

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Solution

The fourth proportional to 7,193.86, 10,792.20 and 2,811.04 is: 4,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.86 : 10,792.20 = 2,811.04 : x
  2. Step 2: Convert to fraction form
    7,193.86/10,792.20 = 2,811.04/x
  3. Step 3: Cross multiply
    7,193.86x = 10,792.20 × 2,811.04
  4. Step 4: Simplify right side
    7,193.86x = 30,337,305.89
  5. Step 5: Solve for x
    x = 30,337,305.89/7,193.86
  6. Step 6: Final answer
    x = 4,217.11

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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.