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Finding the Fourth Proportional to 5,194.91, 7,168.93 and 2,837

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Solution

The fourth proportional to 5,194.91, 7,168.93 and 2,837 is: 3,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.91 : 7,168.93 = 2,837 : x
  2. Step 2: Convert to fraction form
    5,194.91/7,168.93 = 2,837/x
  3. Step 3: Cross multiply
    5,194.91x = 7,168.93 × 2,837
  4. Step 4: Simplify right side
    5,194.91x = 20,338,254.41
  5. Step 5: Solve for x
    x = 20,338,254.41/5,194.91
  6. Step 6: Final answer
    x = 3,915.03

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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.