Home / 2,305.28-3,181.74-1,606.25

Finding the Fourth Proportional to 2,305.28, 3,181.74 and 1,606.25

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Solution

The fourth proportional to 2,305.28, 3,181.74 and 1,606.25 is: 2,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.28 : 3,181.74 = 1,606.25 : x
  2. Step 2: Convert to fraction form
    2,305.28/3,181.74 = 1,606.25/x
  3. Step 3: Cross multiply
    2,305.28x = 3,181.74 × 1,606.25
  4. Step 4: Simplify right side
    2,305.28x = 5,110,669.88
  5. Step 5: Solve for x
    x = 5,110,669.88/2,305.28
  6. Step 6: Final answer
    x = 2,216.94

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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.