Home / 3,305.24-4,561.21-1,813.12

Finding the Fourth Proportional to 3,305.24, 4,561.21 and 1,813.12

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Solution

The fourth proportional to 3,305.24, 4,561.21 and 1,813.12 is: 2,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.24 : 4,561.21 = 1,813.12 : x
  2. Step 2: Convert to fraction form
    3,305.24/4,561.21 = 1,813.12/x
  3. Step 3: Cross multiply
    3,305.24x = 4,561.21 × 1,813.12
  4. Step 4: Simplify right side
    3,305.24x = 8,270,011.94
  5. Step 5: Solve for x
    x = 8,270,011.94/3,305.24
  6. Step 6: Final answer
    x = 2,502.09

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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.