Home / 7,719.07-11,570.24-3,765.83

Finding the Fourth Proportional to 7,719.07, 11,570.24 and 3,765.83

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Solution

The fourth proportional to 7,719.07, 11,570.24 and 3,765.83 is: 5,644.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.07 : 11,570.24 = 3,765.83 : x
  2. Step 2: Convert to fraction form
    7,719.07/11,570.24 = 3,765.83/x
  3. Step 3: Cross multiply
    7,719.07x = 11,570.24 × 3,765.83
  4. Step 4: Simplify right side
    7,719.07x = 43,571,556.90
  5. Step 5: Solve for x
    x = 43,571,556.90/7,719.07
  6. Step 6: Final answer
    x = 5,644.66

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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.