Home / 5,871.45-8,102.54-3,218.85

Finding the Fourth Proportional to 5,871.45, 8,102.54 and 3,218.85

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Solution

The fourth proportional to 5,871.45, 8,102.54 and 3,218.85 is: 4,441.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.45 : 8,102.54 = 3,218.85 : x
  2. Step 2: Convert to fraction form
    5,871.45/8,102.54 = 3,218.85/x
  3. Step 3: Cross multiply
    5,871.45x = 8,102.54 × 3,218.85
  4. Step 4: Simplify right side
    5,871.45x = 26,080,844.78
  5. Step 5: Solve for x
    x = 26,080,844.78/5,871.45
  6. Step 6: Final answer
    x = 4,441.98

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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.