Home / 3,591.44-4,956.48-2,019.76

Finding the Fourth Proportional to 3,591.44, 4,956.48 and 2,019.76

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Solution

The fourth proportional to 3,591.44, 4,956.48 and 2,019.76 is: 2,787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.44 : 4,956.48 = 2,019.76 : x
  2. Step 2: Convert to fraction form
    3,591.44/4,956.48 = 2,019.76/x
  3. Step 3: Cross multiply
    3,591.44x = 4,956.48 × 2,019.76
  4. Step 4: Simplify right side
    3,591.44x = 10,010,900.04
  5. Step 5: Solve for x
    x = 10,010,900.04/3,591.44
  6. Step 6: Final answer
    x = 2,787.43

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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.