Home / 6,208.40-8,567.61-3,375.78

Finding the Fourth Proportional to 6,208.40, 8,567.61 and 3,375.78

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Solution

The fourth proportional to 6,208.40, 8,567.61 and 3,375.78 is: 4,658.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,208.40 : 8,567.61 = 3,375.78 : x
  2. Step 2: Convert to fraction form
    6,208.40/8,567.61 = 3,375.78/x
  3. Step 3: Cross multiply
    6,208.40x = 8,567.61 × 3,375.78
  4. Step 4: Simplify right side
    6,208.40x = 28,922,366.49
  5. Step 5: Solve for x
    x = 28,922,366.49/6,208.40
  6. Step 6: Final answer
    x = 4,658.59

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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.