Home / 5,134.87-7,706.31-2,362.78

Finding the Fourth Proportional to 5,134.87, 7,706.31 and 2,362.78

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Solution

The fourth proportional to 5,134.87, 7,706.31 and 2,362.78 is: 3,546.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.87 : 7,706.31 = 2,362.78 : x
  2. Step 2: Convert to fraction form
    5,134.87/7,706.31 = 2,362.78/x
  3. Step 3: Cross multiply
    5,134.87x = 7,706.31 × 2,362.78
  4. Step 4: Simplify right side
    5,134.87x = 18,208,315.14
  5. Step 5: Solve for x
    x = 18,208,315.14/5,134.87
  6. Step 6: Final answer
    x = 3,546.01

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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.