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Finding the Fourth Proportional to 5,195.58, 7,169.86 and 2,837.72

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Solution

The fourth proportional to 5,195.58, 7,169.86 and 2,837.72 is: 3,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.58 : 7,169.86 = 2,837.72 : x
  2. Step 2: Convert to fraction form
    5,195.58/7,169.86 = 2,837.72/x
  3. Step 3: Cross multiply
    5,195.58x = 7,169.86 × 2,837.72
  4. Step 4: Simplify right side
    5,195.58x = 20,346,065.95
  5. Step 5: Solve for x
    x = 20,346,065.95/5,195.58
  6. Step 6: Final answer
    x = 3,916.03

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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.