Home / 5,902.30-8,145.12-3,249.66

Finding the Fourth Proportional to 5,902.30, 8,145.12 and 3,249.66

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Solution

The fourth proportional to 5,902.30, 8,145.12 and 3,249.66 is: 4,484.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902.30 : 8,145.12 = 3,249.66 : x
  2. Step 2: Convert to fraction form
    5,902.30/8,145.12 = 3,249.66/x
  3. Step 3: Cross multiply
    5,902.30x = 8,145.12 × 3,249.66
  4. Step 4: Simplify right side
    5,902.30x = 26,468,870.66
  5. Step 5: Solve for x
    x = 26,468,870.66/5,902.30
  6. Step 6: Final answer
    x = 4,484.50

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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.