Home / 4,183-5,783.46-3,999.40

Finding the Fourth Proportional to 4,183, 5,783.46 and 3,999.40

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Solution

The fourth proportional to 4,183, 5,783.46 and 3,999.40 is: 5,529.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,183 : 5,783.46 = 3,999.40 : x
  2. Step 2: Convert to fraction form
    4,183/5,783.46 = 3,999.40/x
  3. Step 3: Cross multiply
    4,183x = 5,783.46 × 3,999.40
  4. Step 4: Simplify right side
    4,183x = 23,130,369.92
  5. Step 5: Solve for x
    x = 23,130,369.92/4,183
  6. Step 6: Final answer
    x = 5,529.61

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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.