Home / 5,253.11-7,249.73-2,895.69

Finding the Fourth Proportional to 5,253.11, 7,249.73 and 2,895.69

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Solution

The fourth proportional to 5,253.11, 7,249.73 and 2,895.69 is: 3,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.11 : 7,249.73 = 2,895.69 : x
  2. Step 2: Convert to fraction form
    5,253.11/7,249.73 = 2,895.69/x
  3. Step 3: Cross multiply
    5,253.11x = 7,249.73 × 2,895.69
  4. Step 4: Simplify right side
    5,253.11x = 20,992,956.19
  5. Step 5: Solve for x
    x = 20,992,956.19/5,253.11
  6. Step 6: Final answer
    x = 3,996.29

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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.