Home / 3,395.22-4,685.48-1,903.06

Finding the Fourth Proportional to 3,395.22, 4,685.48 and 1,903.06

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Solution

The fourth proportional to 3,395.22, 4,685.48 and 1,903.06 is: 2,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.22 : 4,685.48 = 1,903.06 : x
  2. Step 2: Convert to fraction form
    3,395.22/4,685.48 = 1,903.06/x
  3. Step 3: Cross multiply
    3,395.22x = 4,685.48 × 1,903.06
  4. Step 4: Simplify right side
    3,395.22x = 8,916,749.57
  5. Step 5: Solve for x
    x = 8,916,749.57/3,395.22
  6. Step 6: Final answer
    x = 2,626.27

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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.