Home / 3,311.46-4,967.18-2,079.74

Finding the Fourth Proportional to 3,311.46, 4,967.18 and 2,079.74

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Solution

The fourth proportional to 3,311.46, 4,967.18 and 2,079.74 is: 3,119.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.46 : 4,967.18 = 2,079.74 : x
  2. Step 2: Convert to fraction form
    3,311.46/4,967.18 = 2,079.74/x
  3. Step 3: Cross multiply
    3,311.46x = 4,967.18 × 2,079.74
  4. Step 4: Simplify right side
    3,311.46x = 10,330,407.70
  5. Step 5: Solve for x
    x = 10,330,407.70/3,311.46
  6. Step 6: Final answer
    x = 3,119.59

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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.