Home / 3,170.94-4,376.31-1,774.14

Finding the Fourth Proportional to 3,170.94, 4,376.31 and 1,774.14

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Solution

The fourth proportional to 3,170.94, 4,376.31 and 1,774.14 is: 2,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.94 : 4,376.31 = 1,774.14 : x
  2. Step 2: Convert to fraction form
    3,170.94/4,376.31 = 1,774.14/x
  3. Step 3: Cross multiply
    3,170.94x = 4,376.31 × 1,774.14
  4. Step 4: Simplify right side
    3,170.94x = 7,764,186.62
  5. Step 5: Solve for x
    x = 7,764,186.62/3,170.94
  6. Step 6: Final answer
    x = 2,448.54

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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.