Home / 5,406.26-8,112.43-2,484.79

Finding the Fourth Proportional to 5,406.26, 8,112.43 and 2,484.79

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Solution

The fourth proportional to 5,406.26, 8,112.43 and 2,484.79 is: 3,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.26 : 8,112.43 = 2,484.79 : x
  2. Step 2: Convert to fraction form
    5,406.26/8,112.43 = 2,484.79/x
  3. Step 3: Cross multiply
    5,406.26x = 8,112.43 × 2,484.79
  4. Step 4: Simplify right side
    5,406.26x = 20,157,684.94
  5. Step 5: Solve for x
    x = 20,157,684.94/5,406.26
  6. Step 6: Final answer
    x = 3,728.58

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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.