Home / 1,984.07-2,738.03-1,099.86

Finding the Fourth Proportional to 1,984.07, 2,738.03 and 1,099.86

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Solution

The fourth proportional to 1,984.07, 2,738.03 and 1,099.86 is: 1,517.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.07 : 2,738.03 = 1,099.86 : x
  2. Step 2: Convert to fraction form
    1,984.07/2,738.03 = 1,099.86/x
  3. Step 3: Cross multiply
    1,984.07x = 2,738.03 × 1,099.86
  4. Step 4: Simplify right side
    1,984.07x = 3,011,444.18
  5. Step 5: Solve for x
    x = 3,011,444.18/1,984.07
  6. Step 6: Final answer
    x = 1,517.82

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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.