Home / 7,306.31-10,953.32-2,921.38

Finding the Fourth Proportional to 7,306.31, 10,953.32 and 2,921.38

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Solution

The fourth proportional to 7,306.31, 10,953.32 and 2,921.38 is: 4,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,306.31 : 10,953.32 = 2,921.38 : x
  2. Step 2: Convert to fraction form
    7,306.31/10,953.32 = 2,921.38/x
  3. Step 3: Cross multiply
    7,306.31x = 10,953.32 × 2,921.38
  4. Step 4: Simplify right side
    7,306.31x = 31,998,809.98
  5. Step 5: Solve for x
    x = 31,998,809.98/7,306.31
  6. Step 6: Final answer
    x = 4,379.61

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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.