Home / 4,767.85-6,579.23-2,778.59

Finding the Fourth Proportional to 4,767.85, 6,579.23 and 2,778.59

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Solution

The fourth proportional to 4,767.85, 6,579.23 and 2,778.59 is: 3,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.85 : 6,579.23 = 2,778.59 : x
  2. Step 2: Convert to fraction form
    4,767.85/6,579.23 = 2,778.59/x
  3. Step 3: Cross multiply
    4,767.85x = 6,579.23 × 2,778.59
  4. Step 4: Simplify right side
    4,767.85x = 18,280,975.99
  5. Step 5: Solve for x
    x = 18,280,975.99/4,767.85
  6. Step 6: Final answer
    x = 3,834.22

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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.