Home / 2,633.11-3,633.96-2,261.32

Finding the Fourth Proportional to 2,633.11, 3,633.96 and 2,261.32

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Solution

The fourth proportional to 2,633.11, 3,633.96 and 2,261.32 is: 3,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.11 : 3,633.96 = 2,261.32 : x
  2. Step 2: Convert to fraction form
    2,633.11/3,633.96 = 2,261.32/x
  3. Step 3: Cross multiply
    2,633.11x = 3,633.96 × 2,261.32
  4. Step 4: Simplify right side
    2,633.11x = 8,217,546.43
  5. Step 5: Solve for x
    x = 8,217,546.43/2,633.11
  6. Step 6: Final answer
    x = 3,120.85

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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.