Home / 4,933.60-7,400.40-2,629.60

Finding the Fourth Proportional to 4,933.60, 7,400.40 and 2,629.60

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Solution

The fourth proportional to 4,933.60, 7,400.40 and 2,629.60 is: 3,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933.60 : 7,400.40 = 2,629.60 : x
  2. Step 2: Convert to fraction form
    4,933.60/7,400.40 = 2,629.60/x
  3. Step 3: Cross multiply
    4,933.60x = 7,400.40 × 2,629.60
  4. Step 4: Simplify right side
    4,933.60x = 19,460,091.84
  5. Step 5: Solve for x
    x = 19,460,091.84/4,933.60
  6. Step 6: Final answer
    x = 3,944.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.