Home / 3,200.92-4,416.26-1,856.09

Finding the Fourth Proportional to 3,200.92, 4,416.26 and 1,856.09

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Solution

The fourth proportional to 3,200.92, 4,416.26 and 1,856.09 is: 2,560.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.92 : 4,416.26 = 1,856.09 : x
  2. Step 2: Convert to fraction form
    3,200.92/4,416.26 = 1,856.09/x
  3. Step 3: Cross multiply
    3,200.92x = 4,416.26 × 1,856.09
  4. Step 4: Simplify right side
    3,200.92x = 8,196,977.78
  5. Step 5: Solve for x
    x = 8,196,977.78/3,200.92
  6. Step 6: Final answer
    x = 2,560.82

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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.