Home / 1,583.37-2,183.63-1,385.73

Finding the Fourth Proportional to 1,583.37, 2,183.63 and 1,385.73

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Solution

The fourth proportional to 1,583.37, 2,183.63 and 1,385.73 is: 1,911.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.37 : 2,183.63 = 1,385.73 : x
  2. Step 2: Convert to fraction form
    1,583.37/2,183.63 = 1,385.73/x
  3. Step 3: Cross multiply
    1,583.37x = 2,183.63 × 1,385.73
  4. Step 4: Simplify right side
    1,583.37x = 3,025,914.67
  5. Step 5: Solve for x
    x = 3,025,914.67/1,583.37
  6. Step 6: Final answer
    x = 1,911.06

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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.