Home / 5,206.88-7,179.94-4,255.56

Finding the Fourth Proportional to 5,206.88, 7,179.94 and 4,255.56

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Solution

The fourth proportional to 5,206.88, 7,179.94 and 4,255.56 is: 5,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.88 : 7,179.94 = 4,255.56 : x
  2. Step 2: Convert to fraction form
    5,206.88/7,179.94 = 4,255.56/x
  3. Step 3: Cross multiply
    5,206.88x = 7,179.94 × 4,255.56
  4. Step 4: Simplify right side
    5,206.88x = 30,554,665.47
  5. Step 5: Solve for x
    x = 30,554,665.47/5,206.88
  6. Step 6: Final answer
    x = 5,868.13

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1.5x scale

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.