Home / 2,313.94-3,193.62-1,606.78

Finding the Fourth Proportional to 2,313.94, 3,193.62 and 1,606.78

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Solution

The fourth proportional to 2,313.94, 3,193.62 and 1,606.78 is: 2,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.94 : 3,193.62 = 1,606.78 : x
  2. Step 2: Convert to fraction form
    2,313.94/3,193.62 = 1,606.78/x
  3. Step 3: Cross multiply
    2,313.94x = 3,193.62 × 1,606.78
  4. Step 4: Simplify right side
    2,313.94x = 5,131,444.74
  5. Step 5: Solve for x
    x = 5,131,444.74/2,313.94
  6. Step 6: Final answer
    x = 2,217.62

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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.