Home / 2,185.07-3,277.60-1,993.70

Finding the Fourth Proportional to 2,185.07, 3,277.60 and 1,993.70

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Solution

The fourth proportional to 2,185.07, 3,277.60 and 1,993.70 is: 2,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.07 : 3,277.60 = 1,993.70 : x
  2. Step 2: Convert to fraction form
    2,185.07/3,277.60 = 1,993.70/x
  3. Step 3: Cross multiply
    2,185.07x = 3,277.60 × 1,993.70
  4. Step 4: Simplify right side
    2,185.07x = 6,534,554.33
  5. Step 5: Solve for x
    x = 6,534,554.33/2,185.07
  6. Step 6: Final answer
    x = 2,990.55

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Double scale
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Similar ratio
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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.