Home / 5,889.75-8,128.31-3,372.65

Finding the Fourth Proportional to 5,889.75, 8,128.31 and 3,372.65

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Solution

The fourth proportional to 5,889.75, 8,128.31 and 3,372.65 is: 4,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889.75 : 8,128.31 = 3,372.65 : x
  2. Step 2: Convert to fraction form
    5,889.75/8,128.31 = 3,372.65/x
  3. Step 3: Cross multiply
    5,889.75x = 8,128.31 × 3,372.65
  4. Step 4: Simplify right side
    5,889.75x = 27,413,944.72
  5. Step 5: Solve for x
    x = 27,413,944.72/5,889.75
  6. Step 6: Final answer
    x = 4,654.52

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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.