Home / 5,181.37-7,769.62-1,716.19

Finding the Fourth Proportional to 5,181.37, 7,769.62 and 1,716.19

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Solution

The fourth proportional to 5,181.37, 7,769.62 and 1,716.19 is: 2,573.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.37 : 7,769.62 = 1,716.19 : x
  2. Step 2: Convert to fraction form
    5,181.37/7,769.62 = 1,716.19/x
  3. Step 3: Cross multiply
    5,181.37x = 7,769.62 × 1,716.19
  4. Step 4: Simplify right side
    5,181.37x = 13,334,126.87
  5. Step 5: Solve for x
    x = 13,334,126.87/5,181.37
  6. Step 6: Final answer
    x = 2,573.48

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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.