Home / 3,529.82-5,290.85-1,771.33

Finding the Fourth Proportional to 3,529.82, 5,290.85 and 1,771.33

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Solution

The fourth proportional to 3,529.82, 5,290.85 and 1,771.33 is: 2,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.82 : 5,290.85 = 1,771.33 : x
  2. Step 2: Convert to fraction form
    3,529.82/5,290.85 = 1,771.33/x
  3. Step 3: Cross multiply
    3,529.82x = 5,290.85 × 1,771.33
  4. Step 4: Simplify right side
    3,529.82x = 9,371,841.33
  5. Step 5: Solve for x
    x = 9,371,841.33/3,529.82
  6. Step 6: Final answer
    x = 2,655.05

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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.