Home / 2,525.39-3,485-1,406.33

Finding the Fourth Proportional to 2,525.39, 3,485 and 1,406.33

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Solution

The fourth proportional to 2,525.39, 3,485 and 1,406.33 is: 1,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.39 : 3,485 = 1,406.33 : x
  2. Step 2: Convert to fraction form
    2,525.39/3,485 = 1,406.33/x
  3. Step 3: Cross multiply
    2,525.39x = 3,485 × 1,406.33
  4. Step 4: Simplify right side
    2,525.39x = 4,901,060.05
  5. Step 5: Solve for x
    x = 4,901,060.05/2,525.39
  6. Step 6: Final answer
    x = 1,940.71

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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.