Home / 5,177.46-7,728.63-4,791.99

Finding the Fourth Proportional to 5,177.46, 7,728.63 and 4,791.99

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Solution

The fourth proportional to 5,177.46, 7,728.63 and 4,791.99 is: 7,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.46 : 7,728.63 = 4,791.99 : x
  2. Step 2: Convert to fraction form
    5,177.46/7,728.63 = 4,791.99/x
  3. Step 3: Cross multiply
    5,177.46x = 7,728.63 × 4,791.99
  4. Step 4: Simplify right side
    5,177.46x = 37,035,517.67
  5. Step 5: Solve for x
    x = 37,035,517.67/5,177.46
  6. Step 6: Final answer
    x = 7,153.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.