Home / 5,204.95-7,182.83-2,847.08

Finding the Fourth Proportional to 5,204.95, 7,182.83 and 2,847.08

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Solution

The fourth proportional to 5,204.95, 7,182.83 and 2,847.08 is: 3,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.95 : 7,182.83 = 2,847.08 : x
  2. Step 2: Convert to fraction form
    5,204.95/7,182.83 = 2,847.08/x
  3. Step 3: Cross multiply
    5,204.95x = 7,182.83 × 2,847.08
  4. Step 4: Simplify right side
    5,204.95x = 20,450,091.64
  5. Step 5: Solve for x
    x = 20,450,091.64/5,204.95
  6. Step 6: Final answer
    x = 3,928.97

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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.