Home / 4,912.23-6,778.72-2,674.07

Finding the Fourth Proportional to 4,912.23, 6,778.72 and 2,674.07

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Solution

The fourth proportional to 4,912.23, 6,778.72 and 2,674.07 is: 3,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.23 : 6,778.72 = 2,674.07 : x
  2. Step 2: Convert to fraction form
    4,912.23/6,778.72 = 2,674.07/x
  3. Step 3: Cross multiply
    4,912.23x = 6,778.72 × 2,674.07
  4. Step 4: Simplify right side
    4,912.23x = 18,126,771.79
  5. Step 5: Solve for x
    x = 18,126,771.79/4,912.23
  6. Step 6: Final answer
    x = 3,690.13

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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.