Home / 3,395.25-4,685.79-1,903.44

Finding the Fourth Proportional to 3,395.25, 4,685.79 and 1,903.44

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Solution

The fourth proportional to 3,395.25, 4,685.79 and 1,903.44 is: 2,626.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.25 : 4,685.79 = 1,903.44 : x
  2. Step 2: Convert to fraction form
    3,395.25/4,685.79 = 1,903.44/x
  3. Step 3: Cross multiply
    3,395.25x = 4,685.79 × 1,903.44
  4. Step 4: Simplify right side
    3,395.25x = 8,919,120.12
  5. Step 5: Solve for x
    x = 8,919,120.12/3,395.25
  6. Step 6: Final answer
    x = 2,626.94

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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.