Home / 1,905.06-2,627.52-1,639.93

Finding the Fourth Proportional to 1,905.06, 2,627.52 and 1,639.93

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Solution

The fourth proportional to 1,905.06, 2,627.52 and 1,639.93 is: 2,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.06 : 2,627.52 = 1,639.93 : x
  2. Step 2: Convert to fraction form
    1,905.06/2,627.52 = 1,639.93/x
  3. Step 3: Cross multiply
    1,905.06x = 2,627.52 × 1,639.93
  4. Step 4: Simplify right side
    1,905.06x = 4,308,963.23
  5. Step 5: Solve for x
    x = 4,308,963.23/1,905.06
  6. Step 6: Final answer
    x = 2,261.86

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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.