Home / 5,229.53-7,216.75-2,871.67

Finding the Fourth Proportional to 5,229.53, 7,216.75 and 2,871.67

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Solution

The fourth proportional to 5,229.53, 7,216.75 and 2,871.67 is: 3,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.53 : 7,216.75 = 2,871.67 : x
  2. Step 2: Convert to fraction form
    5,229.53/7,216.75 = 2,871.67/x
  3. Step 3: Cross multiply
    5,229.53x = 7,216.75 × 2,871.67
  4. Step 4: Simplify right side
    5,229.53x = 20,724,115.48
  5. Step 5: Solve for x
    x = 20,724,115.48/5,229.53
  6. Step 6: Final answer
    x = 3,962.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.