Home / 5,538.57-8,309.43-2,254.02

Finding the Fourth Proportional to 5,538.57, 8,309.43 and 2,254.02

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Solution

The fourth proportional to 5,538.57, 8,309.43 and 2,254.02 is: 3,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.57 : 8,309.43 = 2,254.02 : x
  2. Step 2: Convert to fraction form
    5,538.57/8,309.43 = 2,254.02/x
  3. Step 3: Cross multiply
    5,538.57x = 8,309.43 × 2,254.02
  4. Step 4: Simplify right side
    5,538.57x = 18,729,630.65
  5. Step 5: Solve for x
    x = 18,729,630.65/5,538.57
  6. Step 6: Final answer
    x = 3,381.67

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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.