Home / 3,544.21-5,314.73-1,078.60

Finding the Fourth Proportional to 3,544.21, 5,314.73 and 1,078.60

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Solution

The fourth proportional to 3,544.21, 5,314.73 and 1,078.60 is: 1,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.21 : 5,314.73 = 1,078.60 : x
  2. Step 2: Convert to fraction form
    3,544.21/5,314.73 = 1,078.60/x
  3. Step 3: Cross multiply
    3,544.21x = 5,314.73 × 1,078.60
  4. Step 4: Simplify right side
    3,544.21x = 5,732,467.78
  5. Step 5: Solve for x
    x = 5,732,467.78/3,544.21
  6. Step 6: Final answer
    x = 1,617.42

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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.