Home / 3,075.08-4,243.32-1,748.75

Finding the Fourth Proportional to 3,075.08, 4,243.32 and 1,748.75

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Solution

The fourth proportional to 3,075.08, 4,243.32 and 1,748.75 is: 2,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.08 : 4,243.32 = 1,748.75 : x
  2. Step 2: Convert to fraction form
    3,075.08/4,243.32 = 1,748.75/x
  3. Step 3: Cross multiply
    3,075.08x = 4,243.32 × 1,748.75
  4. Step 4: Simplify right side
    3,075.08x = 7,420,484.63
  5. Step 5: Solve for x
    x = 7,420,484.63/3,075.08
  6. Step 6: Final answer
    x = 2,413.11

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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.