Home / 3,526.11-5,289.61-1,185.11

Finding the Fourth Proportional to 3,526.11, 5,289.61 and 1,185.11

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Solution

The fourth proportional to 3,526.11, 5,289.61 and 1,185.11 is: 1,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.11 : 5,289.61 = 1,185.11 : x
  2. Step 2: Convert to fraction form
    3,526.11/5,289.61 = 1,185.11/x
  3. Step 3: Cross multiply
    3,526.11x = 5,289.61 × 1,185.11
  4. Step 4: Simplify right side
    3,526.11x = 6,268,740.30
  5. Step 5: Solve for x
    x = 6,268,740.30/3,526.11
  6. Step 6: Final answer
    x = 1,777.81

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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.