Home / 5,271.97-7,275.41-2,914.21

Finding the Fourth Proportional to 5,271.97, 7,275.41 and 2,914.21

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Solution

The fourth proportional to 5,271.97, 7,275.41 and 2,914.21 is: 4,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.97 : 7,275.41 = 2,914.21 : x
  2. Step 2: Convert to fraction form
    5,271.97/7,275.41 = 2,914.21/x
  3. Step 3: Cross multiply
    5,271.97x = 7,275.41 × 2,914.21
  4. Step 4: Simplify right side
    5,271.97x = 21,202,072.58
  5. Step 5: Solve for x
    x = 21,202,072.58/5,271.97
  6. Step 6: Final answer
    x = 4,021.66

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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.