Home / 4,963.86-7,429.82-2,620.53

Finding the Fourth Proportional to 4,963.86, 7,429.82 and 2,620.53

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Solution

The fourth proportional to 4,963.86, 7,429.82 and 2,620.53 is: 3,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,963.86 : 7,429.82 = 2,620.53 : x
  2. Step 2: Convert to fraction form
    4,963.86/7,429.82 = 2,620.53/x
  3. Step 3: Cross multiply
    4,963.86x = 7,429.82 × 2,620.53
  4. Step 4: Simplify right side
    4,963.86x = 19,470,053.10
  5. Step 5: Solve for x
    x = 19,470,053.10/4,963.86
  6. Step 6: Final answer
    x = 3,922.36

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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.