Home / 5,286.95-7,942.58-3,730.54

Finding the Fourth Proportional to 5,286.95, 7,942.58 and 3,730.54

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Solution

The fourth proportional to 5,286.95, 7,942.58 and 3,730.54 is: 5,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.95 : 7,942.58 = 3,730.54 : x
  2. Step 2: Convert to fraction form
    5,286.95/7,942.58 = 3,730.54/x
  3. Step 3: Cross multiply
    5,286.95x = 7,942.58 × 3,730.54
  4. Step 4: Simplify right side
    5,286.95x = 29,630,112.39
  5. Step 5: Solve for x
    x = 29,630,112.39/5,286.95
  6. Step 6: Final answer
    x = 5,604.39

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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.