Home / 3,181.53-4,767.44-1,619.19

Finding the Fourth Proportional to 3,181.53, 4,767.44 and 1,619.19

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Solution

The fourth proportional to 3,181.53, 4,767.44 and 1,619.19 is: 2,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.53 : 4,767.44 = 1,619.19 : x
  2. Step 2: Convert to fraction form
    3,181.53/4,767.44 = 1,619.19/x
  3. Step 3: Cross multiply
    3,181.53x = 4,767.44 × 1,619.19
  4. Step 4: Simplify right side
    3,181.53x = 7,719,391.17
  5. Step 5: Solve for x
    x = 7,719,391.17/3,181.53
  6. Step 6: Final answer
    x = 2,426.31

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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.