Home / 5,633.33-7,773.86-3,115.58

Finding the Fourth Proportional to 5,633.33, 7,773.86 and 3,115.58

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Solution

The fourth proportional to 5,633.33, 7,773.86 and 3,115.58 is: 4,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.33 : 7,773.86 = 3,115.58 : x
  2. Step 2: Convert to fraction form
    5,633.33/7,773.86 = 3,115.58/x
  3. Step 3: Cross multiply
    5,633.33x = 7,773.86 × 3,115.58
  4. Step 4: Simplify right side
    5,633.33x = 24,220,067.16
  5. Step 5: Solve for x
    x = 24,220,067.16/5,633.33
  6. Step 6: Final answer
    x = 4,299.42

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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.