Home / 4,945.75-6,826.37-3,355.05

Finding the Fourth Proportional to 4,945.75, 6,826.37 and 3,355.05

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Solution

The fourth proportional to 4,945.75, 6,826.37 and 3,355.05 is: 4,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.75 : 6,826.37 = 3,355.05 : x
  2. Step 2: Convert to fraction form
    4,945.75/6,826.37 = 3,355.05/x
  3. Step 3: Cross multiply
    4,945.75x = 6,826.37 × 3,355.05
  4. Step 4: Simplify right side
    4,945.75x = 22,902,821.49
  5. Step 5: Solve for x
    x = 22,902,821.49/4,945.75
  6. Step 6: Final answer
    x = 4,630.81

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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.