Home / 5,220.88-7,830.92-3,028.24

Finding the Fourth Proportional to 5,220.88, 7,830.92 and 3,028.24

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Solution

The fourth proportional to 5,220.88, 7,830.92 and 3,028.24 is: 4,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.88 : 7,830.92 = 3,028.24 : x
  2. Step 2: Convert to fraction form
    5,220.88/7,830.92 = 3,028.24/x
  3. Step 3: Cross multiply
    5,220.88x = 7,830.92 × 3,028.24
  4. Step 4: Simplify right side
    5,220.88x = 23,713,905.18
  5. Step 5: Solve for x
    x = 23,713,905.18/5,220.88
  6. Step 6: Final answer
    x = 4,542.13

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1.5x scale

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.