Home / 5,103.92-7,655.16-3,168.56

Finding the Fourth Proportional to 5,103.92, 7,655.16 and 3,168.56

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Solution

The fourth proportional to 5,103.92, 7,655.16 and 3,168.56 is: 4,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.92 : 7,655.16 = 3,168.56 : x
  2. Step 2: Convert to fraction form
    5,103.92/7,655.16 = 3,168.56/x
  3. Step 3: Cross multiply
    5,103.92x = 7,655.16 × 3,168.56
  4. Step 4: Simplify right side
    5,103.92x = 24,255,833.77
  5. Step 5: Solve for x
    x = 24,255,833.77/5,103.92
  6. Step 6: Final answer
    x = 4,752.39

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1.5x scale

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.