Home / 4,069.80-5,616.24-2,206.80

Finding the Fourth Proportional to 4,069.80, 5,616.24 and 2,206.80

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Solution

The fourth proportional to 4,069.80, 5,616.24 and 2,206.80 is: 3,045.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.80 : 5,616.24 = 2,206.80 : x
  2. Step 2: Convert to fraction form
    4,069.80/5,616.24 = 2,206.80/x
  3. Step 3: Cross multiply
    4,069.80x = 5,616.24 × 2,206.80
  4. Step 4: Simplify right side
    4,069.80x = 12,393,918.43
  5. Step 5: Solve for x
    x = 12,393,918.43/4,069.80
  6. Step 6: Final answer
    x = 3,045.34

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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.