Home / 3,015.26-4,160.38-1,896.42

Finding the Fourth Proportional to 3,015.26, 4,160.38 and 1,896.42

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Solution

The fourth proportional to 3,015.26, 4,160.38 and 1,896.42 is: 2,616.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.26 : 4,160.38 = 1,896.42 : x
  2. Step 2: Convert to fraction form
    3,015.26/4,160.38 = 1,896.42/x
  3. Step 3: Cross multiply
    3,015.26x = 4,160.38 × 1,896.42
  4. Step 4: Simplify right side
    3,015.26x = 7,889,827.84
  5. Step 5: Solve for x
    x = 7,889,827.84/3,015.26
  6. Step 6: Final answer
    x = 2,616.63

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Half scale
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Double scale
Find fourth proportional to 3,016.26, 4,161.76 and 1,897.42
Similar ratio
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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.