Home / 5,453.99-8,183.41-2,856.32

Finding the Fourth Proportional to 5,453.99, 8,183.41 and 2,856.32

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Solution

The fourth proportional to 5,453.99, 8,183.41 and 2,856.32 is: 4,285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.99 : 8,183.41 = 2,856.32 : x
  2. Step 2: Convert to fraction form
    5,453.99/8,183.41 = 2,856.32/x
  3. Step 3: Cross multiply
    5,453.99x = 8,183.41 × 2,856.32
  4. Step 4: Simplify right side
    5,453.99x = 23,374,382.45
  5. Step 5: Solve for x
    x = 23,374,382.45/5,453.99
  6. Step 6: Final answer
    x = 4,285.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.