Home / 2,015.44-3,023.70-845.53

Finding the Fourth Proportional to 2,015.44, 3,023.70 and 845.53

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Solution

The fourth proportional to 2,015.44, 3,023.70 and 845.53 is: 1,268.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.44 : 3,023.70 = 845.53 : x
  2. Step 2: Convert to fraction form
    2,015.44/3,023.70 = 845.53/x
  3. Step 3: Cross multiply
    2,015.44x = 3,023.70 × 845.53
  4. Step 4: Simplify right side
    2,015.44x = 2,556,629.06
  5. Step 5: Solve for x
    x = 2,556,629.06/2,015.44
  6. Step 6: Final answer
    x = 1,268.52

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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.