Home / 7,217.16-10,821.66-2,285.88

Finding the Fourth Proportional to 7,217.16, 10,821.66 and 2,285.88

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Solution

The fourth proportional to 7,217.16, 10,821.66 and 2,285.88 is: 3,427.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.16 : 10,821.66 = 2,285.88 : x
  2. Step 2: Convert to fraction form
    7,217.16/10,821.66 = 2,285.88/x
  3. Step 3: Cross multiply
    7,217.16x = 10,821.66 × 2,285.88
  4. Step 4: Simplify right side
    7,217.16x = 24,737,016.16
  5. Step 5: Solve for x
    x = 24,737,016.16/7,217.16
  6. Step 6: Final answer
    x = 3,427.53

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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.