Home / 7,455.77-11,176.70-2,521.97

Finding the Fourth Proportional to 7,455.77, 11,176.70 and 2,521.97

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Solution

The fourth proportional to 7,455.77, 11,176.70 and 2,521.97 is: 3,780.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.77 : 11,176.70 = 2,521.97 : x
  2. Step 2: Convert to fraction form
    7,455.77/11,176.70 = 2,521.97/x
  3. Step 3: Cross multiply
    7,455.77x = 11,176.70 × 2,521.97
  4. Step 4: Simplify right side
    7,455.77x = 28,187,317.43
  5. Step 5: Solve for x
    x = 28,187,317.43/7,455.77
  6. Step 6: Final answer
    x = 3,780.61

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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.