Home / 5,370.72-7,405.94-4,249.86

Finding the Fourth Proportional to 5,370.72, 7,405.94 and 4,249.86

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Solution

The fourth proportional to 5,370.72, 7,405.94 and 4,249.86 is: 5,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.72 : 7,405.94 = 4,249.86 : x
  2. Step 2: Convert to fraction form
    5,370.72/7,405.94 = 4,249.86/x
  3. Step 3: Cross multiply
    5,370.72x = 7,405.94 × 4,249.86
  4. Step 4: Simplify right side
    5,370.72x = 31,474,208.17
  5. Step 5: Solve for x
    x = 31,474,208.17/5,370.72
  6. Step 6: Final answer
    x = 5,860.33

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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.