Home / 1,900.24-2,622.77-1,114.54

Finding the Fourth Proportional to 1,900.24, 2,622.77 and 1,114.54

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Solution

The fourth proportional to 1,900.24, 2,622.77 and 1,114.54 is: 1,538.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.24 : 2,622.77 = 1,114.54 : x
  2. Step 2: Convert to fraction form
    1,900.24/2,622.77 = 1,114.54/x
  3. Step 3: Cross multiply
    1,900.24x = 2,622.77 × 1,114.54
  4. Step 4: Simplify right side
    1,900.24x = 2,923,176.01
  5. Step 5: Solve for x
    x = 2,923,176.01/1,900.24
  6. Step 6: Final answer
    x = 1,538.32

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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.