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Finding the Fourth Proportional to 5,891.82, 8,130.94 and 3,239.48

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Solution

The fourth proportional to 5,891.82, 8,130.94 and 3,239.48 is: 4,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.82 : 8,130.94 = 3,239.48 : x
  2. Step 2: Convert to fraction form
    5,891.82/8,130.94 = 3,239.48/x
  3. Step 3: Cross multiply
    5,891.82x = 8,130.94 × 3,239.48
  4. Step 4: Simplify right side
    5,891.82x = 26,340,017.51
  5. Step 5: Solve for x
    x = 26,340,017.51/5,891.82
  6. Step 6: Final answer
    x = 4,470.61

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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.