Home / 5,243.56-7,235.96-2,853.42

Finding the Fourth Proportional to 5,243.56, 7,235.96 and 2,853.42

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Solution

The fourth proportional to 5,243.56, 7,235.96 and 2,853.42 is: 3,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.56 : 7,235.96 = 2,853.42 : x
  2. Step 2: Convert to fraction form
    5,243.56/7,235.96 = 2,853.42/x
  3. Step 3: Cross multiply
    5,243.56x = 7,235.96 × 2,853.42
  4. Step 4: Simplify right side
    5,243.56x = 20,647,232.98
  5. Step 5: Solve for x
    x = 20,647,232.98/5,243.56
  6. Step 6: Final answer
    x = 3,937.64

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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.