Home / 4,107.63-6,161.58-1,185.96

Finding the Fourth Proportional to 4,107.63, 6,161.58 and 1,185.96

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Solution

The fourth proportional to 4,107.63, 6,161.58 and 1,185.96 is: 1,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.63 : 6,161.58 = 1,185.96 : x
  2. Step 2: Convert to fraction form
    4,107.63/6,161.58 = 1,185.96/x
  3. Step 3: Cross multiply
    4,107.63x = 6,161.58 × 1,185.96
  4. Step 4: Simplify right side
    4,107.63x = 7,307,387.42
  5. Step 5: Solve for x
    x = 7,307,387.42/4,107.63
  6. Step 6: Final answer
    x = 1,778.98

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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.