Home / 2,186.25-3,279.50-2,075.54

Finding the Fourth Proportional to 2,186.25, 3,279.50 and 2,075.54

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Solution

The fourth proportional to 2,186.25, 3,279.50 and 2,075.54 is: 3,113.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.25 : 3,279.50 = 2,075.54 : x
  2. Step 2: Convert to fraction form
    2,186.25/3,279.50 = 2,075.54/x
  3. Step 3: Cross multiply
    2,186.25x = 3,279.50 × 2,075.54
  4. Step 4: Simplify right side
    2,186.25x = 6,806,706.65
  5. Step 5: Solve for x
    x = 6,806,706.65/2,186.25
  6. Step 6: Final answer
    x = 3,113.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.