Home / 3,972.98-5,482.64-2,204.58

Finding the Fourth Proportional to 3,972.98, 5,482.64 and 2,204.58

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Solution

The fourth proportional to 3,972.98, 5,482.64 and 2,204.58 is: 3,042.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.98 : 5,482.64 = 2,204.58 : x
  2. Step 2: Convert to fraction form
    3,972.98/5,482.64 = 2,204.58/x
  3. Step 3: Cross multiply
    3,972.98x = 5,482.64 × 2,204.58
  4. Step 4: Simplify right side
    3,972.98x = 12,086,918.49
  5. Step 5: Solve for x
    x = 12,086,918.49/3,972.98
  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.