Home / 5,400.96-8,105.04-3,646.92

Finding the Fourth Proportional to 5,400.96, 8,105.04 and 3,646.92

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Solution

The fourth proportional to 5,400.96, 8,105.04 and 3,646.92 is: 5,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.96 : 8,105.04 = 3,646.92 : x
  2. Step 2: Convert to fraction form
    5,400.96/8,105.04 = 3,646.92/x
  3. Step 3: Cross multiply
    5,400.96x = 8,105.04 × 3,646.92
  4. Step 4: Simplify right side
    5,400.96x = 29,558,432.48
  5. Step 5: Solve for x
    x = 29,558,432.48/5,400.96
  6. Step 6: Final answer
    x = 5,472.81

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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.