Home / 2,992.46-4,131.50-2,049.84

Finding the Fourth Proportional to 2,992.46, 4,131.50 and 2,049.84

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Solution

The fourth proportional to 2,992.46, 4,131.50 and 2,049.84 is: 2,830.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.46 : 4,131.50 = 2,049.84 : x
  2. Step 2: Convert to fraction form
    2,992.46/4,131.50 = 2,049.84/x
  3. Step 3: Cross multiply
    2,992.46x = 4,131.50 × 2,049.84
  4. Step 4: Simplify right side
    2,992.46x = 8,468,903.71
  5. Step 5: Solve for x
    x = 8,468,903.71/2,992.46
  6. Step 6: Final answer
    x = 2,830.09

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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.