Home / 2,015.73-3,024.76-845.63

Finding the Fourth Proportional to 2,015.73, 3,024.76 and 845.63

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Solution

The fourth proportional to 2,015.73, 3,024.76 and 845.63 is: 1,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.73 : 3,024.76 = 845.63 : x
  2. Step 2: Convert to fraction form
    2,015.73/3,024.76 = 845.63/x
  3. Step 3: Cross multiply
    2,015.73x = 3,024.76 × 845.63
  4. Step 4: Simplify right side
    2,015.73x = 2,557,810.56
  5. Step 5: Solve for x
    x = 2,557,810.56/2,015.73
  6. Step 6: Final answer
    x = 1,268.93

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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.