Home / 3,901.98-5,382.27-2,722.62

Finding the Fourth Proportional to 3,901.98, 5,382.27 and 2,722.62

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Solution

The fourth proportional to 3,901.98, 5,382.27 and 2,722.62 is: 3,755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.98 : 5,382.27 = 2,722.62 : x
  2. Step 2: Convert to fraction form
    3,901.98/5,382.27 = 2,722.62/x
  3. Step 3: Cross multiply
    3,901.98x = 5,382.27 × 2,722.62
  4. Step 4: Simplify right side
    3,901.98x = 14,653,875.95
  5. Step 5: Solve for x
    x = 14,653,875.95/3,901.98
  6. Step 6: Final answer
    x = 3,755.50

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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.