Home / 5,789.09-7,982.51-4,192.58

Finding the Fourth Proportional to 5,789.09, 7,982.51 and 4,192.58

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Solution

The fourth proportional to 5,789.09, 7,982.51 and 4,192.58 is: 5,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.09 : 7,982.51 = 4,192.58 : x
  2. Step 2: Convert to fraction form
    5,789.09/7,982.51 = 4,192.58/x
  3. Step 3: Cross multiply
    5,789.09x = 7,982.51 × 4,192.58
  4. Step 4: Simplify right side
    5,789.09x = 33,467,311.78
  5. Step 5: Solve for x
    x = 33,467,311.78/5,789.09
  6. Step 6: Final answer
    x = 5,781.10

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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.