Home / 4,385.89-6,581.06-1,920.73

Finding the Fourth Proportional to 4,385.89, 6,581.06 and 1,920.73

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Solution

The fourth proportional to 4,385.89, 6,581.06 and 1,920.73 is: 2,882.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.89 : 6,581.06 = 1,920.73 : x
  2. Step 2: Convert to fraction form
    4,385.89/6,581.06 = 1,920.73/x
  3. Step 3: Cross multiply
    4,385.89x = 6,581.06 × 1,920.73
  4. Step 4: Simplify right side
    4,385.89x = 12,640,439.37
  5. Step 5: Solve for x
    x = 12,640,439.37/4,385.89
  6. Step 6: Final answer
    x = 2,882.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.