Home / 3,198.01-4,412.32-1,853.53

Finding the Fourth Proportional to 3,198.01, 4,412.32 and 1,853.53

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Solution

The fourth proportional to 3,198.01, 4,412.32 and 1,853.53 is: 2,557.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.01 : 4,412.32 = 1,853.53 : x
  2. Step 2: Convert to fraction form
    3,198.01/4,412.32 = 1,853.53/x
  3. Step 3: Cross multiply
    3,198.01x = 4,412.32 × 1,853.53
  4. Step 4: Simplify right side
    3,198.01x = 8,178,367.49
  5. Step 5: Solve for x
    x = 8,178,367.49/3,198.01
  6. Step 6: Final answer
    x = 2,557.33

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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.