Home / 5,205.87-7,184.19-2,847.96

Finding the Fourth Proportional to 5,205.87, 7,184.19 and 2,847.96

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Solution

The fourth proportional to 5,205.87, 7,184.19 and 2,847.96 is: 3,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.87 : 7,184.19 = 2,847.96 : x
  2. Step 2: Convert to fraction form
    5,205.87/7,184.19 = 2,847.96/x
  3. Step 3: Cross multiply
    5,205.87x = 7,184.19 × 2,847.96
  4. Step 4: Simplify right side
    5,205.87x = 20,460,296.43
  5. Step 5: Solve for x
    x = 20,460,296.43/5,205.87
  6. Step 6: Final answer
    x = 3,930.24

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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.