Home / 2,972.97-4,103.62-1,714.86

Finding the Fourth Proportional to 2,972.97, 4,103.62 and 1,714.86

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Solution

The fourth proportional to 2,972.97, 4,103.62 and 1,714.86 is: 2,367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.97 : 4,103.62 = 1,714.86 : x
  2. Step 2: Convert to fraction form
    2,972.97/4,103.62 = 1,714.86/x
  3. Step 3: Cross multiply
    2,972.97x = 4,103.62 × 1,714.86
  4. Step 4: Simplify right side
    2,972.97x = 7,037,129.51
  5. Step 5: Solve for x
    x = 7,037,129.51/2,972.97
  6. Step 6: Final answer
    x = 2,367.04

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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.