Home / 1,900.53-2,622.78-1,192.59

Finding the Fourth Proportional to 1,900.53, 2,622.78 and 1,192.59

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Solution

The fourth proportional to 1,900.53, 2,622.78 and 1,192.59 is: 1,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.53 : 2,622.78 = 1,192.59 : x
  2. Step 2: Convert to fraction form
    1,900.53/2,622.78 = 1,192.59/x
  3. Step 3: Cross multiply
    1,900.53x = 2,622.78 × 1,192.59
  4. Step 4: Simplify right side
    1,900.53x = 3,127,901.20
  5. Step 5: Solve for x
    x = 3,127,901.20/1,900.53
  6. Step 6: Final answer
    x = 1,645.80

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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.