Home / 4,198.38-5,790.18-3,570.90

Finding the Fourth Proportional to 4,198.38, 5,790.18 and 3,570.90

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Solution

The fourth proportional to 4,198.38, 5,790.18 and 3,570.90 is: 4,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.38 : 5,790.18 = 3,570.90 : x
  2. Step 2: Convert to fraction form
    4,198.38/5,790.18 = 3,570.90/x
  3. Step 3: Cross multiply
    4,198.38x = 5,790.18 × 3,570.90
  4. Step 4: Simplify right side
    4,198.38x = 20,676,153.76
  5. Step 5: Solve for x
    x = 20,676,153.76/4,198.38
  6. Step 6: Final answer
    x = 4,924.79

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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.