Home / 2,074.04-3,111.67-613.23

Finding the Fourth Proportional to 2,074.04, 3,111.67 and 613.23

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Solution

The fourth proportional to 2,074.04, 3,111.67 and 613.23 is: 920.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.04 : 3,111.67 = 613.23 : x
  2. Step 2: Convert to fraction form
    2,074.04/3,111.67 = 613.23/x
  3. Step 3: Cross multiply
    2,074.04x = 3,111.67 × 613.23
  4. Step 4: Simplify right side
    2,074.04x = 1,908,180.80
  5. Step 5: Solve for x
    x = 1,908,180.80/2,074.04
  6. Step 6: Final answer
    x = 920.03

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