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Finding the Fourth Proportional to 2,956.68, 4,080.42 and 1,714.68

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Solution

The fourth proportional to 2,956.68, 4,080.42 and 1,714.68 is: 2,366.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.68 : 4,080.42 = 1,714.68 : x
  2. Step 2: Convert to fraction form
    2,956.68/4,080.42 = 1,714.68/x
  3. Step 3: Cross multiply
    2,956.68x = 4,080.42 × 1,714.68
  4. Step 4: Simplify right side
    2,956.68x = 6,996,614.57
  5. Step 5: Solve for x
    x = 6,996,614.57/2,956.68
  6. Step 6: Final answer
    x = 2,366.38

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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.