Home / 3,510.96-4,845.14-1,939.05

Finding the Fourth Proportional to 3,510.96, 4,845.14 and 1,939.05

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Solution

The fourth proportional to 3,510.96, 4,845.14 and 1,939.05 is: 2,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.96 : 4,845.14 = 1,939.05 : x
  2. Step 2: Convert to fraction form
    3,510.96/4,845.14 = 1,939.05/x
  3. Step 3: Cross multiply
    3,510.96x = 4,845.14 × 1,939.05
  4. Step 4: Simplify right side
    3,510.96x = 9,394,968.72
  5. Step 5: Solve for x
    x = 9,394,968.72/3,510.96
  6. Step 6: Final answer
    x = 2,675.90

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1.5x scale

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.