Home / 3,591.20-4,955.98-2,019.26

Finding the Fourth Proportional to 3,591.20, 4,955.98 and 2,019.26

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Solution

The fourth proportional to 3,591.20, 4,955.98 and 2,019.26 is: 2,786.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.20 : 4,955.98 = 2,019.26 : x
  2. Step 2: Convert to fraction form
    3,591.20/4,955.98 = 2,019.26/x
  3. Step 3: Cross multiply
    3,591.20x = 4,955.98 × 2,019.26
  4. Step 4: Simplify right side
    3,591.20x = 10,007,412.17
  5. Step 5: Solve for x
    x = 10,007,412.17/3,591.20
  6. Step 6: Final answer
    x = 2,786.65

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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.