Home / 2,174.50-3,257.43-1,075.51

Finding the Fourth Proportional to 2,174.50, 3,257.43 and 1,075.51

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Solution

The fourth proportional to 2,174.50, 3,257.43 and 1,075.51 is: 1,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.50 : 3,257.43 = 1,075.51 : x
  2. Step 2: Convert to fraction form
    2,174.50/3,257.43 = 1,075.51/x
  3. Step 3: Cross multiply
    2,174.50x = 3,257.43 × 1,075.51
  4. Step 4: Simplify right side
    2,174.50x = 3,503,398.54
  5. Step 5: Solve for x
    x = 3,503,398.54/2,174.50
  6. Step 6: Final answer
    x = 1,611.13

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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.