Home / 4,075.74-5,620.66-2,734.38

Finding the Fourth Proportional to 4,075.74, 5,620.66 and 2,734.38

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Solution

The fourth proportional to 4,075.74, 5,620.66 and 2,734.38 is: 3,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.74 : 5,620.66 = 2,734.38 : x
  2. Step 2: Convert to fraction form
    4,075.74/5,620.66 = 2,734.38/x
  3. Step 3: Cross multiply
    4,075.74x = 5,620.66 × 2,734.38
  4. Step 4: Simplify right side
    4,075.74x = 15,369,013.45
  5. Step 5: Solve for x
    x = 15,369,013.45/4,075.74
  6. Step 6: Final answer
    x = 3,770.85

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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.