Home / 5,433.75-8,151.53-2,149.11

Finding the Fourth Proportional to 5,433.75, 8,151.53 and 2,149.11

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Solution

The fourth proportional to 5,433.75, 8,151.53 and 2,149.11 is: 3,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.75 : 8,151.53 = 2,149.11 : x
  2. Step 2: Convert to fraction form
    5,433.75/8,151.53 = 2,149.11/x
  3. Step 3: Cross multiply
    5,433.75x = 8,151.53 × 2,149.11
  4. Step 4: Simplify right side
    5,433.75x = 17,518,523.89
  5. Step 5: Solve for x
    x = 17,518,523.89/5,433.75
  6. Step 6: Final answer
    x = 3,224.02

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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.