Home / 4,965.92-6,849.84-2,975.12

Finding the Fourth Proportional to 4,965.92, 6,849.84 and 2,975.12

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Solution

The fourth proportional to 4,965.92, 6,849.84 and 2,975.12 is: 4,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.92 : 6,849.84 = 2,975.12 : x
  2. Step 2: Convert to fraction form
    4,965.92/6,849.84 = 2,975.12/x
  3. Step 3: Cross multiply
    4,965.92x = 6,849.84 × 2,975.12
  4. Step 4: Simplify right side
    4,965.92x = 20,379,095.98
  5. Step 5: Solve for x
    x = 20,379,095.98/4,965.92
  6. Step 6: Final answer
    x = 4,103.79

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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.