Home / 7,581.09-11,382.27-3,885.98

Finding the Fourth Proportional to 7,581.09, 11,382.27 and 3,885.98

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Solution

The fourth proportional to 7,581.09, 11,382.27 and 3,885.98 is: 5,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.09 : 11,382.27 = 3,885.98 : x
  2. Step 2: Convert to fraction form
    7,581.09/11,382.27 = 3,885.98/x
  3. Step 3: Cross multiply
    7,581.09x = 11,382.27 × 3,885.98
  4. Step 4: Simplify right side
    7,581.09x = 44,231,216.66
  5. Step 5: Solve for x
    x = 44,231,216.66/7,581.09
  6. Step 6: Final answer
    x = 5,834.41

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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.