Home / 3,591.45-4,956.13-2,019.54

Finding the Fourth Proportional to 3,591.45, 4,956.13 and 2,019.54

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Solution

The fourth proportional to 3,591.45, 4,956.13 and 2,019.54 is: 2,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.45 : 4,956.13 = 2,019.54 : x
  2. Step 2: Convert to fraction form
    3,591.45/4,956.13 = 2,019.54/x
  3. Step 3: Cross multiply
    3,591.45x = 4,956.13 × 2,019.54
  4. Step 4: Simplify right side
    3,591.45x = 10,009,102.78
  5. Step 5: Solve for x
    x = 10,009,102.78/3,591.45
  6. Step 6: Final answer
    x = 2,786.93

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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.