Home / 3,714.92-5,121.86-2,653.96

Finding the Fourth Proportional to 3,714.92, 5,121.86 and 2,653.96

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Solution

The fourth proportional to 3,714.92, 5,121.86 and 2,653.96 is: 3,659.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.92 : 5,121.86 = 2,653.96 : x
  2. Step 2: Convert to fraction form
    3,714.92/5,121.86 = 2,653.96/x
  3. Step 3: Cross multiply
    3,714.92x = 5,121.86 × 2,653.96
  4. Step 4: Simplify right side
    3,714.92x = 13,593,211.57
  5. Step 5: Solve for x
    x = 13,593,211.57/3,714.92
  6. Step 6: Final answer
    x = 3,659.09

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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.