Home / 2,299.76-3,173.96-1,305.36

Finding the Fourth Proportional to 2,299.76, 3,173.96 and 1,305.36

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Solution

The fourth proportional to 2,299.76, 3,173.96 and 1,305.36 is: 1,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.76 : 3,173.96 = 1,305.36 : x
  2. Step 2: Convert to fraction form
    2,299.76/3,173.96 = 1,305.36/x
  3. Step 3: Cross multiply
    2,299.76x = 3,173.96 × 1,305.36
  4. Step 4: Simplify right side
    2,299.76x = 4,143,160.43
  5. Step 5: Solve for x
    x = 4,143,160.43/2,299.76
  6. Step 6: Final answer
    x = 1,801.56

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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.