Home / 5,414.52-8,124.26-2,945.64

Finding the Fourth Proportional to 5,414.52, 8,124.26 and 2,945.64

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Solution

The fourth proportional to 5,414.52, 8,124.26 and 2,945.64 is: 4,419.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.52 : 8,124.26 = 2,945.64 : x
  2. Step 2: Convert to fraction form
    5,414.52/8,124.26 = 2,945.64/x
  3. Step 3: Cross multiply
    5,414.52x = 8,124.26 × 2,945.64
  4. Step 4: Simplify right side
    5,414.52x = 23,931,145.23
  5. Step 5: Solve for x
    x = 23,931,145.23/5,414.52
  6. Step 6: Final answer
    x = 4,419.81

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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.