Home / 5,902.35-8,145.29-3,249.80

Finding the Fourth Proportional to 5,902.35, 8,145.29 and 3,249.80

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Solution

The fourth proportional to 5,902.35, 8,145.29 and 3,249.80 is: 4,484.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902.35 : 8,145.29 = 3,249.80 : x
  2. Step 2: Convert to fraction form
    5,902.35/8,145.29 = 3,249.80/x
  3. Step 3: Cross multiply
    5,902.35x = 8,145.29 × 3,249.80
  4. Step 4: Simplify right side
    5,902.35x = 26,470,591.93
  5. Step 5: Solve for x
    x = 26,470,591.93/5,902.35
  6. Step 6: Final answer
    x = 4,484.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.