Home / 3,526.26-5,290.18-1,186.36

Finding the Fourth Proportional to 3,526.26, 5,290.18 and 1,186.36

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Solution

The fourth proportional to 3,526.26, 5,290.18 and 1,186.36 is: 1,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.26 : 5,290.18 = 1,186.36 : x
  2. Step 2: Convert to fraction form
    3,526.26/5,290.18 = 1,186.36/x
  3. Step 3: Cross multiply
    3,526.26x = 5,290.18 × 1,186.36
  4. Step 4: Simplify right side
    3,526.26x = 6,276,057.94
  5. Step 5: Solve for x
    x = 6,276,057.94/3,526.26
  6. Step 6: Final answer
    x = 1,779.81

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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.