Home / 7,211.72-10,817.67-2,531.54

Finding the Fourth Proportional to 7,211.72, 10,817.67 and 2,531.54

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Solution

The fourth proportional to 7,211.72, 10,817.67 and 2,531.54 is: 3,797.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.72 : 10,817.67 = 2,531.54 : x
  2. Step 2: Convert to fraction form
    7,211.72/10,817.67 = 2,531.54/x
  3. Step 3: Cross multiply
    7,211.72x = 10,817.67 × 2,531.54
  4. Step 4: Simplify right side
    7,211.72x = 27,385,364.31
  5. Step 5: Solve for x
    x = 27,385,364.31/7,211.72
  6. Step 6: Final answer
    x = 3,797.34

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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.