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Finding the Fourth Proportional to 3,274.71, 4,913.13 and 1,958.27

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Solution

The fourth proportional to 3,274.71, 4,913.13 and 1,958.27 is: 2,938.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.71 : 4,913.13 = 1,958.27 : x
  2. Step 2: Convert to fraction form
    3,274.71/4,913.13 = 1,958.27/x
  3. Step 3: Cross multiply
    3,274.71x = 4,913.13 × 1,958.27
  4. Step 4: Simplify right side
    3,274.71x = 9,621,210.52
  5. Step 5: Solve for x
    x = 9,621,210.52/3,274.71
  6. Step 6: Final answer
    x = 2,938.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.