Home / 3,391.14-5,081.67-2,779.14

Finding the Fourth Proportional to 3,391.14, 5,081.67 and 2,779.14

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Solution

The fourth proportional to 3,391.14, 5,081.67 and 2,779.14 is: 4,164.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.14 : 5,081.67 = 2,779.14 : x
  2. Step 2: Convert to fraction form
    3,391.14/5,081.67 = 2,779.14/x
  3. Step 3: Cross multiply
    3,391.14x = 5,081.67 × 2,779.14
  4. Step 4: Simplify right side
    3,391.14x = 14,122,672.36
  5. Step 5: Solve for x
    x = 14,122,672.36/3,391.14
  6. Step 6: Final answer
    x = 4,164.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.