Home / 5,204.25-7,181.84-2,846.40

Finding the Fourth Proportional to 5,204.25, 7,181.84 and 2,846.40

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Solution

The fourth proportional to 5,204.25, 7,181.84 and 2,846.40 is: 3,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.25 : 7,181.84 = 2,846.40 : x
  2. Step 2: Convert to fraction form
    5,204.25/7,181.84 = 2,846.40/x
  3. Step 3: Cross multiply
    5,204.25x = 7,181.84 × 2,846.40
  4. Step 4: Simplify right side
    5,204.25x = 20,442,375.14
  5. Step 5: Solve for x
    x = 20,442,375.14/5,204.25
  6. Step 6: Final answer
    x = 3,928.02

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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.