Home / 4,108.12-5,669.79-2,339.89

Finding the Fourth Proportional to 4,108.12, 5,669.79 and 2,339.89

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Solution

The fourth proportional to 4,108.12, 5,669.79 and 2,339.89 is: 3,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.12 : 5,669.79 = 2,339.89 : x
  2. Step 2: Convert to fraction form
    4,108.12/5,669.79 = 2,339.89/x
  3. Step 3: Cross multiply
    4,108.12x = 5,669.79 × 2,339.89
  4. Step 4: Simplify right side
    4,108.12x = 13,266,644.87
  5. Step 5: Solve for x
    x = 13,266,644.87/4,108.12
  6. Step 6: Final answer
    x = 3,229.38

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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.