Home / 5,253.50-7,249.86-2,895.60

Finding the Fourth Proportional to 5,253.50, 7,249.86 and 2,895.60

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Solution

The fourth proportional to 5,253.50, 7,249.86 and 2,895.60 is: 3,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.50 : 7,249.86 = 2,895.60 : x
  2. Step 2: Convert to fraction form
    5,253.50/7,249.86 = 2,895.60/x
  3. Step 3: Cross multiply
    5,253.50x = 7,249.86 × 2,895.60
  4. Step 4: Simplify right side
    5,253.50x = 20,992,694.62
  5. Step 5: Solve for x
    x = 20,992,694.62/5,253.50
  6. Step 6: Final answer
    x = 3,995.94

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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.