Home / 3,526.12-5,289.78-1,185.88

Finding the Fourth Proportional to 3,526.12, 5,289.78 and 1,185.88

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Solution

The fourth proportional to 3,526.12, 5,289.78 and 1,185.88 is: 1,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.12 : 5,289.78 = 1,185.88 : x
  2. Step 2: Convert to fraction form
    3,526.12/5,289.78 = 1,185.88/x
  3. Step 3: Cross multiply
    3,526.12x = 5,289.78 × 1,185.88
  4. Step 4: Simplify right side
    3,526.12x = 6,273,044.31
  5. Step 5: Solve for x
    x = 6,273,044.31/3,526.12
  6. Step 6: Final answer
    x = 1,779.02

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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.