Home / 4,992.62-6,890.27-2,868.44

Finding the Fourth Proportional to 4,992.62, 6,890.27 and 2,868.44

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Solution

The fourth proportional to 4,992.62, 6,890.27 and 2,868.44 is: 3,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.62 : 6,890.27 = 2,868.44 : x
  2. Step 2: Convert to fraction form
    4,992.62/6,890.27 = 2,868.44/x
  3. Step 3: Cross multiply
    4,992.62x = 6,890.27 × 2,868.44
  4. Step 4: Simplify right side
    4,992.62x = 19,764,277.29
  5. Step 5: Solve for x
    x = 19,764,277.29/4,992.62
  6. Step 6: Final answer
    x = 3,958.70

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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.