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Finding the Fourth Proportional to 5,826.17, 8,039.81 and 3,173.48

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Solution

The fourth proportional to 5,826.17, 8,039.81 and 3,173.48 is: 4,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,826.17 : 8,039.81 = 3,173.48 : x
  2. Step 2: Convert to fraction form
    5,826.17/8,039.81 = 3,173.48/x
  3. Step 3: Cross multiply
    5,826.17x = 8,039.81 × 3,173.48
  4. Step 4: Simplify right side
    5,826.17x = 25,514,120.17
  5. Step 5: Solve for x
    x = 25,514,120.17/5,826.17
  6. Step 6: Final answer
    x = 4,379.23

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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.