Home / 3,183.08-4,392.32-1,856.52

Finding the Fourth Proportional to 3,183.08, 4,392.32 and 1,856.52

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Solution

The fourth proportional to 3,183.08, 4,392.32 and 1,856.52 is: 2,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.08 : 4,392.32 = 1,856.52 : x
  2. Step 2: Convert to fraction form
    3,183.08/4,392.32 = 1,856.52/x
  3. Step 3: Cross multiply
    3,183.08x = 4,392.32 × 1,856.52
  4. Step 4: Simplify right side
    3,183.08x = 8,154,429.93
  5. Step 5: Solve for x
    x = 8,154,429.93/3,183.08
  6. Step 6: Final answer
    x = 2,561.80

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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.