Home / 2,485.33-3,429.73-1,350.98

Finding the Fourth Proportional to 2,485.33, 3,429.73 and 1,350.98

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Solution

The fourth proportional to 2,485.33, 3,429.73 and 1,350.98 is: 1,864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.33 : 3,429.73 = 1,350.98 : x
  2. Step 2: Convert to fraction form
    2,485.33/3,429.73 = 1,350.98/x
  3. Step 3: Cross multiply
    2,485.33x = 3,429.73 × 1,350.98
  4. Step 4: Simplify right side
    2,485.33x = 4,633,486.44
  5. Step 5: Solve for x
    x = 4,633,486.44/2,485.33
  6. Step 6: Final answer
    x = 1,864.33

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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.