Home / 3,183.41-4,391.97-1,856.63

Finding the Fourth Proportional to 3,183.41, 4,391.97 and 1,856.63

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Solution

The fourth proportional to 3,183.41, 4,391.97 and 1,856.63 is: 2,561.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.41 : 4,391.97 = 1,856.63 : x
  2. Step 2: Convert to fraction form
    3,183.41/4,391.97 = 1,856.63/x
  3. Step 3: Cross multiply
    3,183.41x = 4,391.97 × 1,856.63
  4. Step 4: Simplify right side
    3,183.41x = 8,154,263.26
  5. Step 5: Solve for x
    x = 8,154,263.26/3,183.41
  6. Step 6: Final answer
    x = 2,561.49

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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.