Home / 5,901.86-8,142.27-3,382.61

Finding the Fourth Proportional to 5,901.86, 8,142.27 and 3,382.61

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Solution

The fourth proportional to 5,901.86, 8,142.27 and 3,382.61 is: 4,666.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,901.86 : 8,142.27 = 3,382.61 : x
  2. Step 2: Convert to fraction form
    5,901.86/8,142.27 = 3,382.61/x
  3. Step 3: Cross multiply
    5,901.86x = 8,142.27 × 3,382.61
  4. Step 4: Simplify right side
    5,901.86x = 27,542,135.36
  5. Step 5: Solve for x
    x = 27,542,135.36/5,901.86
  6. Step 6: Final answer
    x = 4,666.69

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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.