Home / 4,518.14-6,778.20-1,355.44

Finding the Fourth Proportional to 4,518.14, 6,778.20 and 1,355.44

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Solution

The fourth proportional to 4,518.14, 6,778.20 and 1,355.44 is: 2,033.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.14 : 6,778.20 = 1,355.44 : x
  2. Step 2: Convert to fraction form
    4,518.14/6,778.20 = 1,355.44/x
  3. Step 3: Cross multiply
    4,518.14x = 6,778.20 × 1,355.44
  4. Step 4: Simplify right side
    4,518.14x = 9,187,455.69
  5. Step 5: Solve for x
    x = 9,187,455.69/4,518.14
  6. Step 6: Final answer
    x = 2,033.46

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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.