Home / 1,966.97-2,714.55-1,302.68

Finding the Fourth Proportional to 1,966.97, 2,714.55 and 1,302.68

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Solution

The fourth proportional to 1,966.97, 2,714.55 and 1,302.68 is: 1,797.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.97 : 2,714.55 = 1,302.68 : x
  2. Step 2: Convert to fraction form
    1,966.97/2,714.55 = 1,302.68/x
  3. Step 3: Cross multiply
    1,966.97x = 2,714.55 × 1,302.68
  4. Step 4: Simplify right side
    1,966.97x = 3,536,189.99
  5. Step 5: Solve for x
    x = 3,536,189.99/1,966.97
  6. Step 6: Final answer
    x = 1,797.79

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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.