Home / 4,190.81-5,783.54-2,398.37

Finding the Fourth Proportional to 4,190.81, 5,783.54 and 2,398.37

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Solution

The fourth proportional to 4,190.81, 5,783.54 and 2,398.37 is: 3,309.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.81 : 5,783.54 = 2,398.37 : x
  2. Step 2: Convert to fraction form
    4,190.81/5,783.54 = 2,398.37/x
  3. Step 3: Cross multiply
    4,190.81x = 5,783.54 × 2,398.37
  4. Step 4: Simplify right side
    4,190.81x = 13,871,027.92
  5. Step 5: Solve for x
    x = 13,871,027.92/4,190.81
  6. Step 6: Final answer
    x = 3,309.87

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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.