Home / 3,516.75-5,267.57-2,280.56

Finding the Fourth Proportional to 3,516.75, 5,267.57 and 2,280.56

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Solution

The fourth proportional to 3,516.75, 5,267.57 and 2,280.56 is: 3,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.75 : 5,267.57 = 2,280.56 : x
  2. Step 2: Convert to fraction form
    3,516.75/5,267.57 = 2,280.56/x
  3. Step 3: Cross multiply
    3,516.75x = 5,267.57 × 2,280.56
  4. Step 4: Simplify right side
    3,516.75x = 12,012,971.70
  5. Step 5: Solve for x
    x = 12,012,971.70/3,516.75
  6. Step 6: Final answer
    x = 3,415.93

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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.