Home / 5,226.49-7,212.58-2,836.47

Finding the Fourth Proportional to 5,226.49, 7,212.58 and 2,836.47

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Solution

The fourth proportional to 5,226.49, 7,212.58 and 2,836.47 is: 3,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.49 : 7,212.58 = 2,836.47 : x
  2. Step 2: Convert to fraction form
    5,226.49/7,212.58 = 2,836.47/x
  3. Step 3: Cross multiply
    5,226.49x = 7,212.58 × 2,836.47
  4. Step 4: Simplify right side
    5,226.49x = 20,458,286.75
  5. Step 5: Solve for x
    x = 20,458,286.75/5,226.49
  6. Step 6: Final answer
    x = 3,914.34

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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.