Home / 7,933.90-11,902.66-2,739.76

Finding the Fourth Proportional to 7,933.90, 11,902.66 and 2,739.76

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Solution

The fourth proportional to 7,933.90, 11,902.66 and 2,739.76 is: 4,110.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.90 : 11,902.66 = 2,739.76 : x
  2. Step 2: Convert to fraction form
    7,933.90/11,902.66 = 2,739.76/x
  3. Step 3: Cross multiply
    7,933.90x = 11,902.66 × 2,739.76
  4. Step 4: Simplify right side
    7,933.90x = 32,610,431.76
  5. Step 5: Solve for x
    x = 32,610,431.76/7,933.90
  6. Step 6: Final answer
    x = 4,110.27

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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.