Home / 5,220.88-7,204.84-2,863.06

Finding the Fourth Proportional to 5,220.88, 7,204.84 and 2,863.06

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Solution

The fourth proportional to 5,220.88, 7,204.84 and 2,863.06 is: 3,951.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.88 : 7,204.84 = 2,863.06 : x
  2. Step 2: Convert to fraction form
    5,220.88/7,204.84 = 2,863.06/x
  3. Step 3: Cross multiply
    5,220.88x = 7,204.84 × 2,863.06
  4. Step 4: Simplify right side
    5,220.88x = 20,627,889.21
  5. Step 5: Solve for x
    x = 20,627,889.21/5,220.88
  6. Step 6: Final answer
    x = 3,951.04

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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.