Home / 4,190.86-5,783.39-2,327.86

Finding the Fourth Proportional to 4,190.86, 5,783.39 and 2,327.86

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Solution

The fourth proportional to 4,190.86, 5,783.39 and 2,327.86 is: 3,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.86 : 5,783.39 = 2,327.86 : x
  2. Step 2: Convert to fraction form
    4,190.86/5,783.39 = 2,327.86/x
  3. Step 3: Cross multiply
    4,190.86x = 5,783.39 × 2,327.86
  4. Step 4: Simplify right side
    4,190.86x = 13,462,917.84
  5. Step 5: Solve for x
    x = 13,462,917.84/4,190.86
  6. Step 6: Final answer
    x = 3,212.45

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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.