Home / 3,183.42-4,392.54-1,857.36

Finding the Fourth Proportional to 3,183.42, 4,392.54 and 1,857.36

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Solution

The fourth proportional to 3,183.42, 4,392.54 and 1,857.36 is: 2,562.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.42 : 4,392.54 = 1,857.36 : x
  2. Step 2: Convert to fraction form
    3,183.42/4,392.54 = 1,857.36/x
  3. Step 3: Cross multiply
    3,183.42x = 4,392.54 × 1,857.36
  4. Step 4: Simplify right side
    3,183.42x = 8,158,528.09
  5. Step 5: Solve for x
    x = 8,158,528.09/3,183.42
  6. Step 6: Final answer
    x = 2,562.82

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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.