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Finding the Fourth Proportional to 3,097.92, 4,274.87 and 1,771.41

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Solution

The fourth proportional to 3,097.92, 4,274.87 and 1,771.41 is: 2,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.92 : 4,274.87 = 1,771.41 : x
  2. Step 2: Convert to fraction form
    3,097.92/4,274.87 = 1,771.41/x
  3. Step 3: Cross multiply
    3,097.92x = 4,274.87 × 1,771.41
  4. Step 4: Simplify right side
    3,097.92x = 7,572,538.61
  5. Step 5: Solve for x
    x = 7,572,538.61/3,097.92
  6. Step 6: Final answer
    x = 2,444.39

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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.