Home / 7,551.06-11,331.20-4,773.90

Finding the Fourth Proportional to 7,551.06, 11,331.20 and 4,773.90

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Solution

The fourth proportional to 7,551.06, 11,331.20 and 4,773.90 is: 7,163.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.06 : 11,331.20 = 4,773.90 : x
  2. Step 2: Convert to fraction form
    7,551.06/11,331.20 = 4,773.90/x
  3. Step 3: Cross multiply
    7,551.06x = 11,331.20 × 4,773.90
  4. Step 4: Simplify right side
    7,551.06x = 54,093,991.81
  5. Step 5: Solve for x
    x = 54,093,991.81/7,551.06
  6. Step 6: Final answer
    x = 7,163.76

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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.