Home / 7,172.18-10,759.88-2,492.26

Finding the Fourth Proportional to 7,172.18, 10,759.88 and 2,492.26

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Solution

The fourth proportional to 7,172.18, 10,759.88 and 2,492.26 is: 3,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.18 : 10,759.88 = 2,492.26 : x
  2. Step 2: Convert to fraction form
    7,172.18/10,759.88 = 2,492.26/x
  3. Step 3: Cross multiply
    7,172.18x = 10,759.88 × 2,492.26
  4. Step 4: Simplify right side
    7,172.18x = 26,816,418.53
  5. Step 5: Solve for x
    x = 26,816,418.53/7,172.18
  6. Step 6: Final answer
    x = 3,738.95

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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.