Home / 3,226.90-4,453.41-1,899.94

Finding the Fourth Proportional to 3,226.90, 4,453.41 and 1,899.94

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Solution

The fourth proportional to 3,226.90, 4,453.41 and 1,899.94 is: 2,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.90 : 4,453.41 = 1,899.94 : x
  2. Step 2: Convert to fraction form
    3,226.90/4,453.41 = 1,899.94/x
  3. Step 3: Cross multiply
    3,226.90x = 4,453.41 × 1,899.94
  4. Step 4: Simplify right side
    3,226.90x = 8,461,211.80
  5. Step 5: Solve for x
    x = 8,461,211.80/3,226.90
  6. Step 6: Final answer
    x = 2,622.09

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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.