Home / 6,172.20-9,251.42-4,941.81

Finding the Fourth Proportional to 6,172.20, 9,251.42 and 4,941.81

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Solution

The fourth proportional to 6,172.20, 9,251.42 and 4,941.81 is: 7,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.20 : 9,251.42 = 4,941.81 : x
  2. Step 2: Convert to fraction form
    6,172.20/9,251.42 = 4,941.81/x
  3. Step 3: Cross multiply
    6,172.20x = 9,251.42 × 4,941.81
  4. Step 4: Simplify right side
    6,172.20x = 45,718,735.16
  5. Step 5: Solve for x
    x = 45,718,735.16/6,172.20
  6. Step 6: Final answer
    x = 7,407.20

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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.