Home / 4,072.23-5,619.71-2,209.23

Finding the Fourth Proportional to 4,072.23, 5,619.71 and 2,209.23

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Solution

The fourth proportional to 4,072.23, 5,619.71 and 2,209.23 is: 3,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.23 : 5,619.71 = 2,209.23 : x
  2. Step 2: Convert to fraction form
    4,072.23/5,619.71 = 2,209.23/x
  3. Step 3: Cross multiply
    4,072.23x = 5,619.71 × 2,209.23
  4. Step 4: Simplify right side
    4,072.23x = 12,415,237.45
  5. Step 5: Solve for x
    x = 12,415,237.45/4,072.23
  6. Step 6: Final answer
    x = 3,048.76

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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.