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Finding the Fourth Proportional to 2,916.15, 4,375.17 and 1,745.97

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Solution

The fourth proportional to 2,916.15, 4,375.17 and 1,745.97 is: 2,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.15 : 4,375.17 = 1,745.97 : x
  2. Step 2: Convert to fraction form
    2,916.15/4,375.17 = 1,745.97/x
  3. Step 3: Cross multiply
    2,916.15x = 4,375.17 × 1,745.97
  4. Step 4: Simplify right side
    2,916.15x = 7,638,884.96
  5. Step 5: Solve for x
    x = 7,638,884.96/2,916.15
  6. Step 6: Final answer
    x = 2,619.51

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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.