Home / 2,028.59-2,796.40-1,585.73

Finding the Fourth Proportional to 2,028.59, 2,796.40 and 1,585.73

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Solution

The fourth proportional to 2,028.59, 2,796.40 and 1,585.73 is: 2,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.59 : 2,796.40 = 1,585.73 : x
  2. Step 2: Convert to fraction form
    2,028.59/2,796.40 = 1,585.73/x
  3. Step 3: Cross multiply
    2,028.59x = 2,796.40 × 1,585.73
  4. Step 4: Simplify right side
    2,028.59x = 4,434,324.16
  5. Step 5: Solve for x
    x = 4,434,324.16/2,028.59
  6. Step 6: Final answer
    x = 2,185.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.