Home / 4,912.84-6,779.72-2,674.73

Finding the Fourth Proportional to 4,912.84, 6,779.72 and 2,674.73

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Solution

The fourth proportional to 4,912.84, 6,779.72 and 2,674.73 is: 3,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.84 : 6,779.72 = 2,674.73 : x
  2. Step 2: Convert to fraction form
    4,912.84/6,779.72 = 2,674.73/x
  3. Step 3: Cross multiply
    4,912.84x = 6,779.72 × 2,674.73
  4. Step 4: Simplify right side
    4,912.84x = 18,133,920.48
  5. Step 5: Solve for x
    x = 18,133,920.48/4,912.84
  6. Step 6: Final answer
    x = 3,691.13

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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.