Home / 3,388.26-4,675.18-1,896.18

Finding the Fourth Proportional to 3,388.26, 4,675.18 and 1,896.18

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Solution

The fourth proportional to 3,388.26, 4,675.18 and 1,896.18 is: 2,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.26 : 4,675.18 = 1,896.18 : x
  2. Step 2: Convert to fraction form
    3,388.26/4,675.18 = 1,896.18/x
  3. Step 3: Cross multiply
    3,388.26x = 4,675.18 × 1,896.18
  4. Step 4: Simplify right side
    3,388.26x = 8,864,982.81
  5. Step 5: Solve for x
    x = 8,864,982.81/3,388.26
  6. Step 6: Final answer
    x = 2,616.38

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Half scale
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Double scale
Find fourth proportional to 3,389.26, 4,676.56 and 1,897.18
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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.