Home / 4,912.59-6,779.37-2,674.47

Finding the Fourth Proportional to 4,912.59, 6,779.37 and 2,674.47

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Solution

The fourth proportional to 4,912.59, 6,779.37 and 2,674.47 is: 3,690.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.59 : 6,779.37 = 2,674.47 : x
  2. Step 2: Convert to fraction form
    4,912.59/6,779.37 = 2,674.47/x
  3. Step 3: Cross multiply
    4,912.59x = 6,779.37 × 2,674.47
  4. Step 4: Simplify right side
    4,912.59x = 18,131,221.68
  5. Step 5: Solve for x
    x = 18,131,221.68/4,912.59
  6. Step 6: Final answer
    x = 3,690.77

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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.