Home / 4,932.07-6,806.94-3,139.75

Finding the Fourth Proportional to 4,932.07, 6,806.94 and 3,139.75

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Solution

The fourth proportional to 4,932.07, 6,806.94 and 3,139.75 is: 4,333.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.07 : 6,806.94 = 3,139.75 : x
  2. Step 2: Convert to fraction form
    4,932.07/6,806.94 = 3,139.75/x
  3. Step 3: Cross multiply
    4,932.07x = 6,806.94 × 3,139.75
  4. Step 4: Simplify right side
    4,932.07x = 21,372,089.87
  5. Step 5: Solve for x
    x = 21,372,089.87/4,932.07
  6. Step 6: Final answer
    x = 4,333.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.