Home / 3,840.56-5,756.28-2,198.24

Finding the Fourth Proportional to 3,840.56, 5,756.28 and 2,198.24

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Solution

The fourth proportional to 3,840.56, 5,756.28 and 2,198.24 is: 3,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.56 : 5,756.28 = 2,198.24 : x
  2. Step 2: Convert to fraction form
    3,840.56/5,756.28 = 2,198.24/x
  3. Step 3: Cross multiply
    3,840.56x = 5,756.28 × 2,198.24
  4. Step 4: Simplify right side
    3,840.56x = 12,653,684.95
  5. Step 5: Solve for x
    x = 12,653,684.95/3,840.56
  6. Step 6: Final answer
    x = 3,294.75

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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.