Home / 2,764.07-4,140.38-1,772.02

Finding the Fourth Proportional to 2,764.07, 4,140.38 and 1,772.02

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Solution

The fourth proportional to 2,764.07, 4,140.38 and 1,772.02 is: 2,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.07 : 4,140.38 = 1,772.02 : x
  2. Step 2: Convert to fraction form
    2,764.07/4,140.38 = 1,772.02/x
  3. Step 3: Cross multiply
    2,764.07x = 4,140.38 × 1,772.02
  4. Step 4: Simplify right side
    2,764.07x = 7,336,845.77
  5. Step 5: Solve for x
    x = 7,336,845.77/2,764.07
  6. Step 6: Final answer
    x = 2,654.36

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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.