Home / 2,972.82-4,103.10-1,714.26

Finding the Fourth Proportional to 2,972.82, 4,103.10 and 1,714.26

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Solution

The fourth proportional to 2,972.82, 4,103.10 and 1,714.26 is: 2,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.82 : 4,103.10 = 1,714.26 : x
  2. Step 2: Convert to fraction form
    2,972.82/4,103.10 = 1,714.26/x
  3. Step 3: Cross multiply
    2,972.82x = 4,103.10 × 1,714.26
  4. Step 4: Simplify right side
    2,972.82x = 7,033,780.21
  5. Step 5: Solve for x
    x = 7,033,780.21/2,972.82
  6. Step 6: Final answer
    x = 2,366.03

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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.