Home / 5,304.91-7,321.04-2,947

Finding the Fourth Proportional to 5,304.91, 7,321.04 and 2,947

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Solution

The fourth proportional to 5,304.91, 7,321.04 and 2,947 is: 4,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.91 : 7,321.04 = 2,947 : x
  2. Step 2: Convert to fraction form
    5,304.91/7,321.04 = 2,947/x
  3. Step 3: Cross multiply
    5,304.91x = 7,321.04 × 2,947
  4. Step 4: Simplify right side
    5,304.91x = 21,575,104.88
  5. Step 5: Solve for x
    x = 21,575,104.88/5,304.91
  6. Step 6: Final answer
    x = 4,067.01

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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.