Home / 3,918.36-5,873.70-1,611.48

Finding the Fourth Proportional to 3,918.36, 5,873.70 and 1,611.48

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Solution

The fourth proportional to 3,918.36, 5,873.70 and 1,611.48 is: 2,415.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.36 : 5,873.70 = 1,611.48 : x
  2. Step 2: Convert to fraction form
    3,918.36/5,873.70 = 1,611.48/x
  3. Step 3: Cross multiply
    3,918.36x = 5,873.70 × 1,611.48
  4. Step 4: Simplify right side
    3,918.36x = 9,465,350.08
  5. Step 5: Solve for x
    x = 9,465,350.08/3,918.36
  6. Step 6: Final answer
    x = 2,415.64

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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.