Home / 5,912.10-8,868.15-3,278.36

Finding the Fourth Proportional to 5,912.10, 8,868.15 and 3,278.36

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Solution

The fourth proportional to 5,912.10, 8,868.15 and 3,278.36 is: 4,917.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.10 : 8,868.15 = 3,278.36 : x
  2. Step 2: Convert to fraction form
    5,912.10/8,868.15 = 3,278.36/x
  3. Step 3: Cross multiply
    5,912.10x = 8,868.15 × 3,278.36
  4. Step 4: Simplify right side
    5,912.10x = 29,072,943.89
  5. Step 5: Solve for x
    x = 29,072,943.89/5,912.10
  6. Step 6: Final answer
    x = 4,917.53

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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.