Home / 5,261.48-7,902.73-3,290.62

Finding the Fourth Proportional to 5,261.48, 7,902.73 and 3,290.62

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Solution

The fourth proportional to 5,261.48, 7,902.73 and 3,290.62 is: 4,942.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.48 : 7,902.73 = 3,290.62 : x
  2. Step 2: Convert to fraction form
    5,261.48/7,902.73 = 3,290.62/x
  3. Step 3: Cross multiply
    5,261.48x = 7,902.73 × 3,290.62
  4. Step 4: Simplify right side
    5,261.48x = 26,004,825.43
  5. Step 5: Solve for x
    x = 26,004,825.43/5,261.48
  6. Step 6: Final answer
    x = 4,942.49

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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.