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Finding the Fourth Proportional to 5,194.71, 7,170.19 and 3,070.60

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Solution

The fourth proportional to 5,194.71, 7,170.19 and 3,070.60 is: 4,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.71 : 7,170.19 = 3,070.60 : x
  2. Step 2: Convert to fraction form
    5,194.71/7,170.19 = 3,070.60/x
  3. Step 3: Cross multiply
    5,194.71x = 7,170.19 × 3,070.60
  4. Step 4: Simplify right side
    5,194.71x = 22,016,759.81
  5. Step 5: Solve for x
    x = 22,016,759.81/5,194.71
  6. Step 6: Final answer
    x = 4,238.30

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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.