Home / 4,912.96-6,779.66-2,674.83

Finding the Fourth Proportional to 4,912.96, 6,779.66 and 2,674.83

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Solution

The fourth proportional to 4,912.96, 6,779.66 and 2,674.83 is: 3,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.96 : 6,779.66 = 2,674.83 : x
  2. Step 2: Convert to fraction form
    4,912.96/6,779.66 = 2,674.83/x
  3. Step 3: Cross multiply
    4,912.96x = 6,779.66 × 2,674.83
  4. Step 4: Simplify right side
    4,912.96x = 18,134,404.22
  5. Step 5: Solve for x
    x = 18,134,404.22/4,912.96
  6. Step 6: Final answer
    x = 3,691.14

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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.