Home / 5,661.74-8,487.36-2,150.69

Finding the Fourth Proportional to 5,661.74, 8,487.36 and 2,150.69

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Solution

The fourth proportional to 5,661.74, 8,487.36 and 2,150.69 is: 3,224.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.74 : 8,487.36 = 2,150.69 : x
  2. Step 2: Convert to fraction form
    5,661.74/8,487.36 = 2,150.69/x
  3. Step 3: Cross multiply
    5,661.74x = 8,487.36 × 2,150.69
  4. Step 4: Simplify right side
    5,661.74x = 18,253,637.84
  5. Step 5: Solve for x
    x = 18,253,637.84/5,661.74
  6. Step 6: Final answer
    x = 3,224.04

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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.