Home / 4,105.88-5,665.66-2,313.02

Finding the Fourth Proportional to 4,105.88, 5,665.66 and 2,313.02

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Solution

The fourth proportional to 4,105.88, 5,665.66 and 2,313.02 is: 3,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.88 : 5,665.66 = 2,313.02 : x
  2. Step 2: Convert to fraction form
    4,105.88/5,665.66 = 2,313.02/x
  3. Step 3: Cross multiply
    4,105.88x = 5,665.66 × 2,313.02
  4. Step 4: Simplify right side
    4,105.88x = 13,104,784.89
  5. Step 5: Solve for x
    x = 13,104,784.89/4,105.88
  6. Step 6: Final answer
    x = 3,191.71

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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.