Home / 5,786.56-7,985.46-3,133.99

Finding the Fourth Proportional to 5,786.56, 7,985.46 and 3,133.99

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Solution

The fourth proportional to 5,786.56, 7,985.46 and 3,133.99 is: 4,324.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.56 : 7,985.46 = 3,133.99 : x
  2. Step 2: Convert to fraction form
    5,786.56/7,985.46 = 3,133.99/x
  3. Step 3: Cross multiply
    5,786.56x = 7,985.46 × 3,133.99
  4. Step 4: Simplify right side
    5,786.56x = 25,026,351.79
  5. Step 5: Solve for x
    x = 25,026,351.79/5,786.56
  6. Step 6: Final answer
    x = 4,324.91

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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.