Home / 3,591.24-4,955.60-2,019.12

Finding the Fourth Proportional to 3,591.24, 4,955.60 and 2,019.12

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Solution

The fourth proportional to 3,591.24, 4,955.60 and 2,019.12 is: 2,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.24 : 4,955.60 = 2,019.12 : x
  2. Step 2: Convert to fraction form
    3,591.24/4,955.60 = 2,019.12/x
  3. Step 3: Cross multiply
    3,591.24x = 4,955.60 × 2,019.12
  4. Step 4: Simplify right side
    3,591.24x = 10,005,951.07
  5. Step 5: Solve for x
    x = 10,005,951.07/3,591.24
  6. Step 6: Final answer
    x = 2,786.21

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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.