Home / 2,226.62-3,342.24-1,642.30

Finding the Fourth Proportional to 2,226.62, 3,342.24 and 1,642.30

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Solution

The fourth proportional to 2,226.62, 3,342.24 and 1,642.30 is: 2,465.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.62 : 3,342.24 = 1,642.30 : x
  2. Step 2: Convert to fraction form
    2,226.62/3,342.24 = 1,642.30/x
  3. Step 3: Cross multiply
    2,226.62x = 3,342.24 × 1,642.30
  4. Step 4: Simplify right side
    2,226.62x = 5,488,952.40
  5. Step 5: Solve for x
    x = 5,488,952.40/2,226.62
  6. Step 6: Final answer
    x = 2,465.15

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1.5x scale

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.