Home / 5,243.97-7,239.69-3,477.99

Finding the Fourth Proportional to 5,243.97, 7,239.69 and 3,477.99

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Solution

The fourth proportional to 5,243.97, 7,239.69 and 3,477.99 is: 4,801.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.97 : 7,239.69 = 3,477.99 : x
  2. Step 2: Convert to fraction form
    5,243.97/7,239.69 = 3,477.99/x
  3. Step 3: Cross multiply
    5,243.97x = 7,239.69 × 3,477.99
  4. Step 4: Simplify right side
    5,243.97x = 25,179,569.42
  5. Step 5: Solve for x
    x = 25,179,569.42/5,243.97
  6. Step 6: Final answer
    x = 4,801.62

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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.