Home / 3,075.06-4,243.47-1,749.09

Finding the Fourth Proportional to 3,075.06, 4,243.47 and 1,749.09

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Solution

The fourth proportional to 3,075.06, 4,243.47 and 1,749.09 is: 2,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.06 : 4,243.47 = 1,749.09 : x
  2. Step 2: Convert to fraction form
    3,075.06/4,243.47 = 1,749.09/x
  3. Step 3: Cross multiply
    3,075.06x = 4,243.47 × 1,749.09
  4. Step 4: Simplify right side
    3,075.06x = 7,422,210.94
  5. Step 5: Solve for x
    x = 7,422,210.94/3,075.06
  6. Step 6: Final answer
    x = 2,413.68

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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.