Home / 4,020.84-5,546.88-2,622.78

Finding the Fourth Proportional to 4,020.84, 5,546.88 and 2,622.78

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Solution

The fourth proportional to 4,020.84, 5,546.88 and 2,622.78 is: 3,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.84 : 5,546.88 = 2,622.78 : x
  2. Step 2: Convert to fraction form
    4,020.84/5,546.88 = 2,622.78/x
  3. Step 3: Cross multiply
    4,020.84x = 5,546.88 × 2,622.78
  4. Step 4: Simplify right side
    4,020.84x = 14,548,245.93
  5. Step 5: Solve for x
    x = 14,548,245.93/4,020.84
  6. Step 6: Final answer
    x = 3,618.21

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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.