Home / 3,135.60-4,327.29-1,738.44

Finding the Fourth Proportional to 3,135.60, 4,327.29 and 1,738.44

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Solution

The fourth proportional to 3,135.60, 4,327.29 and 1,738.44 is: 2,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.60 : 4,327.29 = 1,738.44 : x
  2. Step 2: Convert to fraction form
    3,135.60/4,327.29 = 1,738.44/x
  3. Step 3: Cross multiply
    3,135.60x = 4,327.29 × 1,738.44
  4. Step 4: Simplify right side
    3,135.60x = 7,522,734.03
  5. Step 5: Solve for x
    x = 7,522,734.03/3,135.60
  6. Step 6: Final answer
    x = 2,399.14

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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.