Home / 5,374.62-8,068.41-3,185.82

Finding the Fourth Proportional to 5,374.62, 8,068.41 and 3,185.82

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Solution

The fourth proportional to 5,374.62, 8,068.41 and 3,185.82 is: 4,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.62 : 8,068.41 = 3,185.82 : x
  2. Step 2: Convert to fraction form
    5,374.62/8,068.41 = 3,185.82/x
  3. Step 3: Cross multiply
    5,374.62x = 8,068.41 × 3,185.82
  4. Step 4: Simplify right side
    5,374.62x = 25,704,501.95
  5. Step 5: Solve for x
    x = 25,704,501.95/5,374.62
  6. Step 6: Final answer
    x = 4,782.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.