Home / 7,713.99-11,568.70-3,271.59

Finding the Fourth Proportional to 7,713.99, 11,568.70 and 3,271.59

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Solution

The fourth proportional to 7,713.99, 11,568.70 and 3,271.59 is: 4,906.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.99 : 11,568.70 = 3,271.59 : x
  2. Step 2: Convert to fraction form
    7,713.99/11,568.70 = 3,271.59/x
  3. Step 3: Cross multiply
    7,713.99x = 11,568.70 × 3,271.59
  4. Step 4: Simplify right side
    7,713.99x = 37,848,076.11
  5. Step 5: Solve for x
    x = 37,848,076.11/7,713.99
  6. Step 6: Final answer
    x = 4,906.42

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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.