Home / 3,363.92-5,045.86-1,311.92

Finding the Fourth Proportional to 3,363.92, 5,045.86 and 1,311.92

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Solution

The fourth proportional to 3,363.92, 5,045.86 and 1,311.92 is: 1,967.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.92 : 5,045.86 = 1,311.92 : x
  2. Step 2: Convert to fraction form
    3,363.92/5,045.86 = 1,311.92/x
  3. Step 3: Cross multiply
    3,363.92x = 5,045.86 × 1,311.92
  4. Step 4: Simplify right side
    3,363.92x = 6,619,764.65
  5. Step 5: Solve for x
    x = 6,619,764.65/3,363.92
  6. Step 6: Final answer
    x = 1,967.87

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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.