Home / 3,555.12-4,908.49-2,299.22

Finding the Fourth Proportional to 3,555.12, 4,908.49 and 2,299.22

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Solution

The fourth proportional to 3,555.12, 4,908.49 and 2,299.22 is: 3,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.12 : 4,908.49 = 2,299.22 : x
  2. Step 2: Convert to fraction form
    3,555.12/4,908.49 = 2,299.22/x
  3. Step 3: Cross multiply
    3,555.12x = 4,908.49 × 2,299.22
  4. Step 4: Simplify right side
    3,555.12x = 11,285,668.09
  5. Step 5: Solve for x
    x = 11,285,668.09/3,555.12
  6. Step 6: Final answer
    x = 3,174.48

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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.