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Finding the Fourth Proportional to 5,195.63, 7,169.97 and 2,837.76

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Solution

The fourth proportional to 5,195.63, 7,169.97 and 2,837.76 is: 3,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.63 : 7,169.97 = 2,837.76 : x
  2. Step 2: Convert to fraction form
    5,195.63/7,169.97 = 2,837.76/x
  3. Step 3: Cross multiply
    5,195.63x = 7,169.97 × 2,837.76
  4. Step 4: Simplify right side
    5,195.63x = 20,346,654.07
  5. Step 5: Solve for x
    x = 20,346,654.07/5,195.63
  6. Step 6: Final answer
    x = 3,916.11

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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.