Home / 5,064.20-6,986.62-3,174.98

Finding the Fourth Proportional to 5,064.20, 6,986.62 and 3,174.98

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Solution

The fourth proportional to 5,064.20, 6,986.62 and 3,174.98 is: 4,380.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,064.20 : 6,986.62 = 3,174.98 : x
  2. Step 2: Convert to fraction form
    5,064.20/6,986.62 = 3,174.98/x
  3. Step 3: Cross multiply
    5,064.20x = 6,986.62 × 3,174.98
  4. Step 4: Simplify right side
    5,064.20x = 22,182,378.77
  5. Step 5: Solve for x
    x = 22,182,378.77/5,064.20
  6. Step 6: Final answer
    x = 4,380.23

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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.