Home / 5,183.75-7,153.72-2,826.05

Finding the Fourth Proportional to 5,183.75, 7,153.72 and 2,826.05

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Solution

The fourth proportional to 5,183.75, 7,153.72 and 2,826.05 is: 3,900.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.75 : 7,153.72 = 2,826.05 : x
  2. Step 2: Convert to fraction form
    5,183.75/7,153.72 = 2,826.05/x
  3. Step 3: Cross multiply
    5,183.75x = 7,153.72 × 2,826.05
  4. Step 4: Simplify right side
    5,183.75x = 20,216,727.57
  5. Step 5: Solve for x
    x = 20,216,727.57/5,183.75
  6. Step 6: Final answer
    x = 3,900.02

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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.