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Finding the Fourth Proportional to 4,390.97, 6,062.72 and 2,714.68

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Solution

The fourth proportional to 4,390.97, 6,062.72 and 2,714.68 is: 3,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.97 : 6,062.72 = 2,714.68 : x
  2. Step 2: Convert to fraction form
    4,390.97/6,062.72 = 2,714.68/x
  3. Step 3: Cross multiply
    4,390.97x = 6,062.72 × 2,714.68
  4. Step 4: Simplify right side
    4,390.97x = 16,458,316.00
  5. Step 5: Solve for x
    x = 16,458,316.00/4,390.97
  6. Step 6: Final answer
    x = 3,748.22

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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.