Home / 5,640.16-8,463.42-2,132.54

Finding the Fourth Proportional to 5,640.16, 8,463.42 and 2,132.54

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Solution

The fourth proportional to 5,640.16, 8,463.42 and 2,132.54 is: 3,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.16 : 8,463.42 = 2,132.54 : x
  2. Step 2: Convert to fraction form
    5,640.16/8,463.42 = 2,132.54/x
  3. Step 3: Cross multiply
    5,640.16x = 8,463.42 × 2,132.54
  4. Step 4: Simplify right side
    5,640.16x = 18,048,571.02
  5. Step 5: Solve for x
    x = 18,048,571.02/5,640.16
  6. Step 6: Final answer
    x = 3,200.01

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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.