Home / 3,168.36-4,741.20-1,936.08

Finding the Fourth Proportional to 3,168.36, 4,741.20 and 1,936.08

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Solution

The fourth proportional to 3,168.36, 4,741.20 and 1,936.08 is: 2,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.36 : 4,741.20 = 1,936.08 : x
  2. Step 2: Convert to fraction form
    3,168.36/4,741.20 = 1,936.08/x
  3. Step 3: Cross multiply
    3,168.36x = 4,741.20 × 1,936.08
  4. Step 4: Simplify right side
    3,168.36x = 9,179,342.50
  5. Step 5: Solve for x
    x = 9,179,342.50/3,168.36
  6. Step 6: Final answer
    x = 2,897.19

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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.