Home / 6,945.75-9,585.18-3,961.55

Finding the Fourth Proportional to 6,945.75, 9,585.18 and 3,961.55

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Solution

The fourth proportional to 6,945.75, 9,585.18 and 3,961.55 is: 5,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.75 : 9,585.18 = 3,961.55 : x
  2. Step 2: Convert to fraction form
    6,945.75/9,585.18 = 3,961.55/x
  3. Step 3: Cross multiply
    6,945.75x = 9,585.18 × 3,961.55
  4. Step 4: Simplify right side
    6,945.75x = 37,972,193.79
  5. Step 5: Solve for x
    x = 37,972,193.79/6,945.75
  6. Step 6: Final answer
    x = 5,466.97

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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.