Home / 3,715.12-5,572.68-1,249.48

Finding the Fourth Proportional to 3,715.12, 5,572.68 and 1,249.48

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Solution

The fourth proportional to 3,715.12, 5,572.68 and 1,249.48 is: 1,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.12 : 5,572.68 = 1,249.48 : x
  2. Step 2: Convert to fraction form
    3,715.12/5,572.68 = 1,249.48/x
  3. Step 3: Cross multiply
    3,715.12x = 5,572.68 × 1,249.48
  4. Step 4: Simplify right side
    3,715.12x = 6,962,952.21
  5. Step 5: Solve for x
    x = 6,962,952.21/3,715.12
  6. Step 6: Final answer
    x = 1,874.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.