Home / 2,226.19-3,072.11-1,589.30

Finding the Fourth Proportional to 2,226.19, 3,072.11 and 1,589.30

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Solution

The fourth proportional to 2,226.19, 3,072.11 and 1,589.30 is: 2,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.19 : 3,072.11 = 1,589.30 : x
  2. Step 2: Convert to fraction form
    2,226.19/3,072.11 = 1,589.30/x
  3. Step 3: Cross multiply
    2,226.19x = 3,072.11 × 1,589.30
  4. Step 4: Simplify right side
    2,226.19x = 4,882,504.16
  5. Step 5: Solve for x
    x = 4,882,504.16/2,226.19
  6. Step 6: Final answer
    x = 2,193.21

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Half scale
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Double scale
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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.