Home / 3,525.22-5,286.96-1,185.31

Finding the Fourth Proportional to 3,525.22, 5,286.96 and 1,185.31

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Solution

The fourth proportional to 3,525.22, 5,286.96 and 1,185.31 is: 1,777.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.22 : 5,286.96 = 1,185.31 : x
  2. Step 2: Convert to fraction form
    3,525.22/5,286.96 = 1,185.31/x
  3. Step 3: Cross multiply
    3,525.22x = 5,286.96 × 1,185.31
  4. Step 4: Simplify right side
    3,525.22x = 6,266,686.56
  5. Step 5: Solve for x
    x = 6,266,686.56/3,525.22
  6. Step 6: Final answer
    x = 1,777.67

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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.