Home / 5,687.79-8,532.40-2,224.59

Finding the Fourth Proportional to 5,687.79, 8,532.40 and 2,224.59

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Solution

The fourth proportional to 5,687.79, 8,532.40 and 2,224.59 is: 3,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.79 : 8,532.40 = 2,224.59 : x
  2. Step 2: Convert to fraction form
    5,687.79/8,532.40 = 2,224.59/x
  3. Step 3: Cross multiply
    5,687.79x = 8,532.40 × 2,224.59
  4. Step 4: Simplify right side
    5,687.79x = 18,981,091.72
  5. Step 5: Solve for x
    x = 18,981,091.72/5,687.79
  6. Step 6: Final answer
    x = 3,337.16

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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.