Home / 3,972.77-5,482.83-2,204.39

Finding the Fourth Proportional to 3,972.77, 5,482.83 and 2,204.39

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Solution

The fourth proportional to 3,972.77, 5,482.83 and 2,204.39 is: 3,042.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.77 : 5,482.83 = 2,204.39 : x
  2. Step 2: Convert to fraction form
    3,972.77/5,482.83 = 2,204.39/x
  3. Step 3: Cross multiply
    3,972.77x = 5,482.83 × 2,204.39
  4. Step 4: Simplify right side
    3,972.77x = 12,086,259.94
  5. Step 5: Solve for x
    x = 12,086,259.94/3,972.77
  6. Step 6: Final answer
    x = 3,042.28

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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.