Home / 5,183.86-7,153.71-2,826.00

Finding the Fourth Proportional to 5,183.86, 7,153.71 and 2,826.00

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Solution

The fourth proportional to 5,183.86, 7,153.71 and 2,826.00 is: 3,899.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.86 : 7,153.71 = 2,826.00 : x
  2. Step 2: Convert to fraction form
    5,183.86/7,153.71 = 2,826.00/x
  3. Step 3: Cross multiply
    5,183.86x = 7,153.71 × 2,826.00
  4. Step 4: Simplify right side
    5,183.86x = 20,216,355.98
  5. Step 5: Solve for x
    x = 20,216,355.98/5,183.86
  6. Step 6: Final answer
    x = 3,899.87

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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.