Home / 4,111.15-6,166.57-1,189.75

Finding the Fourth Proportional to 4,111.15, 6,166.57 and 1,189.75

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Solution

The fourth proportional to 4,111.15, 6,166.57 and 1,189.75 is: 1,784.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.15 : 6,166.57 = 1,189.75 : x
  2. Step 2: Convert to fraction form
    4,111.15/6,166.57 = 1,189.75/x
  3. Step 3: Cross multiply
    4,111.15x = 6,166.57 × 1,189.75
  4. Step 4: Simplify right side
    4,111.15x = 7,336,676.66
  5. Step 5: Solve for x
    x = 7,336,676.66/4,111.15
  6. Step 6: Final answer
    x = 1,784.58

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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.