Home / 3,741.19-5,611.78-1,144.13

Finding the Fourth Proportional to 3,741.19, 5,611.78 and 1,144.13

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Solution

The fourth proportional to 3,741.19, 5,611.78 and 1,144.13 is: 1,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.19 : 5,611.78 = 1,144.13 : x
  2. Step 2: Convert to fraction form
    3,741.19/5,611.78 = 1,144.13/x
  3. Step 3: Cross multiply
    3,741.19x = 5,611.78 × 1,144.13
  4. Step 4: Simplify right side
    3,741.19x = 6,420,579.22
  5. Step 5: Solve for x
    x = 6,420,579.22/3,741.19
  6. Step 6: Final answer
    x = 1,716.19

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Double scale
Find fourth proportional to 3,742.19, 5,613.28 and 1,145.13
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.