Home / 2,518.92-3,779.67-1,906.38

Finding the Fourth Proportional to 2,518.92, 3,779.67 and 1,906.38

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Solution

The fourth proportional to 2,518.92, 3,779.67 and 1,906.38 is: 2,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.92 : 3,779.67 = 1,906.38 : x
  2. Step 2: Convert to fraction form
    2,518.92/3,779.67 = 1,906.38/x
  3. Step 3: Cross multiply
    2,518.92x = 3,779.67 × 1,906.38
  4. Step 4: Simplify right side
    2,518.92x = 7,205,487.29
  5. Step 5: Solve for x
    x = 7,205,487.29/2,518.92
  6. Step 6: Final answer
    x = 2,860.55

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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.