Home / 4,317.21-5,949.99-3,136.23

Finding the Fourth Proportional to 4,317.21, 5,949.99 and 3,136.23

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Solution

The fourth proportional to 4,317.21, 5,949.99 and 3,136.23 is: 4,322.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.21 : 5,949.99 = 3,136.23 : x
  2. Step 2: Convert to fraction form
    4,317.21/5,949.99 = 3,136.23/x
  3. Step 3: Cross multiply
    4,317.21x = 5,949.99 × 3,136.23
  4. Step 4: Simplify right side
    4,317.21x = 18,660,537.14
  5. Step 5: Solve for x
    x = 18,660,537.14/4,317.21
  6. Step 6: Final answer
    x = 4,322.36

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Double scale
Find fourth proportional to 4,318.21, 5,951.37 and 3,137.23
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.