Home / 3,526.23-5,289.30-1,186.75

Finding the Fourth Proportional to 3,526.23, 5,289.30 and 1,186.75

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Solution

The fourth proportional to 3,526.23, 5,289.30 and 1,186.75 is: 1,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.23 : 5,289.30 = 1,186.75 : x
  2. Step 2: Convert to fraction form
    3,526.23/5,289.30 = 1,186.75/x
  3. Step 3: Cross multiply
    3,526.23x = 5,289.30 × 1,186.75
  4. Step 4: Simplify right side
    3,526.23x = 6,277,083.39
  5. Step 5: Solve for x
    x = 6,277,083.39/3,526.23
  6. Step 6: Final answer
    x = 1,780.11

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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.