Home / 2,185.06-3,014.64-1,240.75

Finding the Fourth Proportional to 2,185.06, 3,014.64 and 1,240.75

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Solution

The fourth proportional to 2,185.06, 3,014.64 and 1,240.75 is: 1,711.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.06 : 3,014.64 = 1,240.75 : x
  2. Step 2: Convert to fraction form
    2,185.06/3,014.64 = 1,240.75/x
  3. Step 3: Cross multiply
    2,185.06x = 3,014.64 × 1,240.75
  4. Step 4: Simplify right side
    2,185.06x = 3,740,414.58
  5. Step 5: Solve for x
    x = 3,740,414.58/2,185.06
  6. Step 6: Final answer
    x = 1,711.81

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,186.06, 3,016.02 and 1,241.75
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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.