Home / 5,621.84-7,755.52-3,604.04

Finding the Fourth Proportional to 5,621.84, 7,755.52 and 3,604.04

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Solution

The fourth proportional to 5,621.84, 7,755.52 and 3,604.04 is: 4,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.84 : 7,755.52 = 3,604.04 : x
  2. Step 2: Convert to fraction form
    5,621.84/7,755.52 = 3,604.04/x
  3. Step 3: Cross multiply
    5,621.84x = 7,755.52 × 3,604.04
  4. Step 4: Simplify right side
    5,621.84x = 27,951,204.30
  5. Step 5: Solve for x
    x = 27,951,204.30/5,621.84
  6. Step 6: Final answer
    x = 4,971.90

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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.