Home / 4,876.43-6,722.27-3,455.72

Finding the Fourth Proportional to 4,876.43, 6,722.27 and 3,455.72

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Solution

The fourth proportional to 4,876.43, 6,722.27 and 3,455.72 is: 4,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.43 : 6,722.27 = 3,455.72 : x
  2. Step 2: Convert to fraction form
    4,876.43/6,722.27 = 3,455.72/x
  3. Step 3: Cross multiply
    4,876.43x = 6,722.27 × 3,455.72
  4. Step 4: Simplify right side
    4,876.43x = 23,230,231.99
  5. Step 5: Solve for x
    x = 23,230,231.99/4,876.43
  6. Step 6: Final answer
    x = 4,763.78

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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.