Home / 3,073.44-4,241.36-1,676.19

Finding the Fourth Proportional to 3,073.44, 4,241.36 and 1,676.19

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Solution

The fourth proportional to 3,073.44, 4,241.36 and 1,676.19 is: 2,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.44 : 4,241.36 = 1,676.19 : x
  2. Step 2: Convert to fraction form
    3,073.44/4,241.36 = 1,676.19/x
  3. Step 3: Cross multiply
    3,073.44x = 4,241.36 × 1,676.19
  4. Step 4: Simplify right side
    3,073.44x = 7,109,325.22
  5. Step 5: Solve for x
    x = 7,109,325.22/3,073.44
  6. Step 6: Final answer
    x = 2,313.15

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Double scale
Find fourth proportional to 3,074.44, 4,242.74 and 1,677.19
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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.