Home / 5,558.71-7,672.94-3,201.79

Finding the Fourth Proportional to 5,558.71, 7,672.94 and 3,201.79

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Solution

The fourth proportional to 5,558.71, 7,672.94 and 3,201.79 is: 4,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.71 : 7,672.94 = 3,201.79 : x
  2. Step 2: Convert to fraction form
    5,558.71/7,672.94 = 3,201.79/x
  3. Step 3: Cross multiply
    5,558.71x = 7,672.94 × 3,201.79
  4. Step 4: Simplify right side
    5,558.71x = 24,567,142.56
  5. Step 5: Solve for x
    x = 24,567,142.56/5,558.71
  6. Step 6: Final answer
    x = 4,419.58

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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.