Home / 2,938.14-4,054.61-1,611.85

Finding the Fourth Proportional to 2,938.14, 4,054.61 and 1,611.85

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Solution

The fourth proportional to 2,938.14, 4,054.61 and 1,611.85 is: 2,224.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.14 : 4,054.61 = 1,611.85 : x
  2. Step 2: Convert to fraction form
    2,938.14/4,054.61 = 1,611.85/x
  3. Step 3: Cross multiply
    2,938.14x = 4,054.61 × 1,611.85
  4. Step 4: Simplify right side
    2,938.14x = 6,535,404.93
  5. Step 5: Solve for x
    x = 6,535,404.93/2,938.14
  6. Step 6: Final answer
    x = 2,224.33

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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.