Home / 2,183.68-3,013.60-1,252.32

Finding the Fourth Proportional to 2,183.68, 3,013.60 and 1,252.32

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Solution

The fourth proportional to 2,183.68, 3,013.60 and 1,252.32 is: 1,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.68 : 3,013.60 = 1,252.32 : x
  2. Step 2: Convert to fraction form
    2,183.68/3,013.60 = 1,252.32/x
  3. Step 3: Cross multiply
    2,183.68x = 3,013.60 × 1,252.32
  4. Step 4: Simplify right side
    2,183.68x = 3,773,991.55
  5. Step 5: Solve for x
    x = 3,773,991.55/2,183.68
  6. Step 6: Final answer
    x = 1,728.27

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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.