Home / 4,093.78-6,141.75-1,172.32

Finding the Fourth Proportional to 4,093.78, 6,141.75 and 1,172.32

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Solution

The fourth proportional to 4,093.78, 6,141.75 and 1,172.32 is: 1,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,093.78 : 6,141.75 = 1,172.32 : x
  2. Step 2: Convert to fraction form
    4,093.78/6,141.75 = 1,172.32/x
  3. Step 3: Cross multiply
    4,093.78x = 6,141.75 × 1,172.32
  4. Step 4: Simplify right side
    4,093.78x = 7,200,096.36
  5. Step 5: Solve for x
    x = 7,200,096.36/4,093.78
  6. Step 6: Final answer
    x = 1,758.79

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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.