Home / 4,705.85-7,063.02-2,622.80

Finding the Fourth Proportional to 4,705.85, 7,063.02 and 2,622.80

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Solution

The fourth proportional to 4,705.85, 7,063.02 and 2,622.80 is: 3,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.85 : 7,063.02 = 2,622.80 : x
  2. Step 2: Convert to fraction form
    4,705.85/7,063.02 = 2,622.80/x
  3. Step 3: Cross multiply
    4,705.85x = 7,063.02 × 2,622.80
  4. Step 4: Simplify right side
    4,705.85x = 18,524,853.54
  5. Step 5: Solve for x
    x = 18,524,853.54/4,705.85
  6. Step 6: Final answer
    x = 3,936.56

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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.