Home / 5,270.88-7,908.66-2,675.64

Finding the Fourth Proportional to 5,270.88, 7,908.66 and 2,675.64

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Solution

The fourth proportional to 5,270.88, 7,908.66 and 2,675.64 is: 4,014.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.88 : 7,908.66 = 2,675.64 : x
  2. Step 2: Convert to fraction form
    5,270.88/7,908.66 = 2,675.64/x
  3. Step 3: Cross multiply
    5,270.88x = 7,908.66 × 2,675.64
  4. Step 4: Simplify right side
    5,270.88x = 21,160,727.04
  5. Step 5: Solve for x
    x = 21,160,727.04/5,270.88
  6. Step 6: Final answer
    x = 4,014.65

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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.