Home / 4,913.17-6,782.75-3,791.68

Finding the Fourth Proportional to 4,913.17, 6,782.75 and 3,791.68

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Solution

The fourth proportional to 4,913.17, 6,782.75 and 3,791.68 is: 5,234.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.17 : 6,782.75 = 3,791.68 : x
  2. Step 2: Convert to fraction form
    4,913.17/6,782.75 = 3,791.68/x
  3. Step 3: Cross multiply
    4,913.17x = 6,782.75 × 3,791.68
  4. Step 4: Simplify right side
    4,913.17x = 25,718,017.52
  5. Step 5: Solve for x
    x = 25,718,017.52/4,913.17
  6. Step 6: Final answer
    x = 5,234.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.