Home / 7,261.77-10,900.86-2,882.30

Finding the Fourth Proportional to 7,261.77, 10,900.86 and 2,882.30

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Solution

The fourth proportional to 7,261.77, 10,900.86 and 2,882.30 is: 4,326.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.77 : 10,900.86 = 2,882.30 : x
  2. Step 2: Convert to fraction form
    7,261.77/10,900.86 = 2,882.30/x
  3. Step 3: Cross multiply
    7,261.77x = 10,900.86 × 2,882.30
  4. Step 4: Simplify right side
    7,261.77x = 31,419,561.00
  5. Step 5: Solve for x
    x = 31,419,561.00/7,261.77
  6. Step 6: Final answer
    x = 4,326.71

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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.