Home / 1,845.28-2,768.52-750.56

Finding the Fourth Proportional to 1,845.28, 2,768.52 and 750.56

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Solution

The fourth proportional to 1,845.28, 2,768.52 and 750.56 is: 1,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.28 : 2,768.52 = 750.56 : x
  2. Step 2: Convert to fraction form
    1,845.28/2,768.52 = 750.56/x
  3. Step 3: Cross multiply
    1,845.28x = 2,768.52 × 750.56
  4. Step 4: Simplify right side
    1,845.28x = 2,077,940.37
  5. Step 5: Solve for x
    x = 2,077,940.37/1,845.28
  6. Step 6: Final answer
    x = 1,126.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.