Home / 4,767.92-6,579.60-2,778.56

Finding the Fourth Proportional to 4,767.92, 6,579.60 and 2,778.56

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Solution

The fourth proportional to 4,767.92, 6,579.60 and 2,778.56 is: 3,834.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.92 : 6,579.60 = 2,778.56 : x
  2. Step 2: Convert to fraction form
    4,767.92/6,579.60 = 2,778.56/x
  3. Step 3: Cross multiply
    4,767.92x = 6,579.60 × 2,778.56
  4. Step 4: Simplify right side
    4,767.92x = 18,281,813.38
  5. Step 5: Solve for x
    x = 18,281,813.38/4,767.92
  6. Step 6: Final answer
    x = 3,834.34

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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.