Home / 1,772.24-2,446.80-1,274.54

Finding the Fourth Proportional to 1,772.24, 2,446.80 and 1,274.54

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Solution

The fourth proportional to 1,772.24, 2,446.80 and 1,274.54 is: 1,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.24 : 2,446.80 = 1,274.54 : x
  2. Step 2: Convert to fraction form
    1,772.24/2,446.80 = 1,274.54/x
  3. Step 3: Cross multiply
    1,772.24x = 2,446.80 × 1,274.54
  4. Step 4: Simplify right side
    1,772.24x = 3,118,544.47
  5. Step 5: Solve for x
    x = 3,118,544.47/1,772.24
  6. Step 6: Final answer
    x = 1,759.66

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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.