Home / 2,975.06-4,105.22-1,648.59

Finding the Fourth Proportional to 2,975.06, 4,105.22 and 1,648.59

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Solution

The fourth proportional to 2,975.06, 4,105.22 and 1,648.59 is: 2,274.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.06 : 4,105.22 = 1,648.59 : x
  2. Step 2: Convert to fraction form
    2,975.06/4,105.22 = 1,648.59/x
  3. Step 3: Cross multiply
    2,975.06x = 4,105.22 × 1,648.59
  4. Step 4: Simplify right side
    2,975.06x = 6,767,801.00
  5. Step 5: Solve for x
    x = 6,767,801.00/2,975.06
  6. Step 6: Final answer
    x = 2,274.84

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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.