Home / 7,722.46-11,583.66-2,792.10

Finding the Fourth Proportional to 7,722.46, 11,583.66 and 2,792.10

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Solution

The fourth proportional to 7,722.46, 11,583.66 and 2,792.10 is: 4,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.46 : 11,583.66 = 2,792.10 : x
  2. Step 2: Convert to fraction form
    7,722.46/11,583.66 = 2,792.10/x
  3. Step 3: Cross multiply
    7,722.46x = 11,583.66 × 2,792.10
  4. Step 4: Simplify right side
    7,722.46x = 32,342,737.09
  5. Step 5: Solve for x
    x = 32,342,737.09/7,722.46
  6. Step 6: Final answer
    x = 4,188.14

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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.