Home / 3,949.54-5,923.04-1,316.34

Finding the Fourth Proportional to 3,949.54, 5,923.04 and 1,316.34

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Solution

The fourth proportional to 3,949.54, 5,923.04 and 1,316.34 is: 1,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.54 : 5,923.04 = 1,316.34 : x
  2. Step 2: Convert to fraction form
    3,949.54/5,923.04 = 1,316.34/x
  3. Step 3: Cross multiply
    3,949.54x = 5,923.04 × 1,316.34
  4. Step 4: Simplify right side
    3,949.54x = 7,796,734.47
  5. Step 5: Solve for x
    x = 7,796,734.47/3,949.54
  6. Step 6: Final answer
    x = 1,974.09

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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.