Home / 7,661.09-11,492.71-2,729.27

Finding the Fourth Proportional to 7,661.09, 11,492.71 and 2,729.27

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Solution

The fourth proportional to 7,661.09, 11,492.71 and 2,729.27 is: 4,094.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.09 : 11,492.71 = 2,729.27 : x
  2. Step 2: Convert to fraction form
    7,661.09/11,492.71 = 2,729.27/x
  3. Step 3: Cross multiply
    7,661.09x = 11,492.71 × 2,729.27
  4. Step 4: Simplify right side
    7,661.09x = 31,366,644.33
  5. Step 5: Solve for x
    x = 31,366,644.33/7,661.09
  6. Step 6: Final answer
    x = 4,094.28

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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.