Home / 7,722.66-11,575.19-3,554.06

Finding the Fourth Proportional to 7,722.66, 11,575.19 and 3,554.06

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Solution

The fourth proportional to 7,722.66, 11,575.19 and 3,554.06 is: 5,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.66 : 11,575.19 = 3,554.06 : x
  2. Step 2: Convert to fraction form
    7,722.66/11,575.19 = 3,554.06/x
  3. Step 3: Cross multiply
    7,722.66x = 11,575.19 × 3,554.06
  4. Step 4: Simplify right side
    7,722.66x = 41,138,844.13
  5. Step 5: Solve for x
    x = 41,138,844.13/7,722.66
  6. Step 6: Final answer
    x = 5,327.03

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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.