Home / 4,186.90-5,779.81-3,192.26

Finding the Fourth Proportional to 4,186.90, 5,779.81 and 3,192.26

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Solution

The fourth proportional to 4,186.90, 5,779.81 and 3,192.26 is: 4,406.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.90 : 5,779.81 = 3,192.26 : x
  2. Step 2: Convert to fraction form
    4,186.90/5,779.81 = 3,192.26/x
  3. Step 3: Cross multiply
    4,186.90x = 5,779.81 × 3,192.26
  4. Step 4: Simplify right side
    4,186.90x = 18,450,656.27
  5. Step 5: Solve for x
    x = 18,450,656.27/4,186.90
  6. Step 6: Final answer
    x = 4,406.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.