Home / 4,822.20-7,240.59-3,078.27

Finding the Fourth Proportional to 4,822.20, 7,240.59 and 3,078.27

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Solution

The fourth proportional to 4,822.20, 7,240.59 and 3,078.27 is: 4,622.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.20 : 7,240.59 = 3,078.27 : x
  2. Step 2: Convert to fraction form
    4,822.20/7,240.59 = 3,078.27/x
  3. Step 3: Cross multiply
    4,822.20x = 7,240.59 × 3,078.27
  4. Step 4: Simplify right side
    4,822.20x = 22,288,490.98
  5. Step 5: Solve for x
    x = 22,288,490.98/4,822.20
  6. Step 6: Final answer
    x = 4,622.06

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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.