Home / 4,791.45-7,184.74-2,192.16

Finding the Fourth Proportional to 4,791.45, 7,184.74 and 2,192.16

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Solution

The fourth proportional to 4,791.45, 7,184.74 and 2,192.16 is: 3,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.45 : 7,184.74 = 2,192.16 : x
  2. Step 2: Convert to fraction form
    4,791.45/7,184.74 = 2,192.16/x
  3. Step 3: Cross multiply
    4,791.45x = 7,184.74 × 2,192.16
  4. Step 4: Simplify right side
    4,791.45x = 15,750,071.33
  5. Step 5: Solve for x
    x = 15,750,071.33/4,791.45
  6. Step 6: Final answer
    x = 3,287.12

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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.