Home / 3,526.73-5,290.55-1,185.73

Finding the Fourth Proportional to 3,526.73, 5,290.55 and 1,185.73

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Solution

The fourth proportional to 3,526.73, 5,290.55 and 1,185.73 is: 1,778.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.73 : 5,290.55 = 1,185.73 : x
  2. Step 2: Convert to fraction form
    3,526.73/5,290.55 = 1,185.73/x
  3. Step 3: Cross multiply
    3,526.73x = 5,290.55 × 1,185.73
  4. Step 4: Simplify right side
    3,526.73x = 6,273,157.92
  5. Step 5: Solve for x
    x = 6,273,157.92/3,526.73
  6. Step 6: Final answer
    x = 1,778.75

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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.