Home / 2,199.22-3,299.38-1,551.22

Finding the Fourth Proportional to 2,199.22, 3,299.38 and 1,551.22

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Solution

The fourth proportional to 2,199.22, 3,299.38 and 1,551.22 is: 2,327.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.22 : 3,299.38 = 1,551.22 : x
  2. Step 2: Convert to fraction form
    2,199.22/3,299.38 = 1,551.22/x
  3. Step 3: Cross multiply
    2,199.22x = 3,299.38 × 1,551.22
  4. Step 4: Simplify right side
    2,199.22x = 5,118,064.24
  5. Step 5: Solve for x
    x = 5,118,064.24/2,199.22
  6. Step 6: Final answer
    x = 2,327.22

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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.