Home / 3,091.51-4,266.19-1,764.95

Finding the Fourth Proportional to 3,091.51, 4,266.19 and 1,764.95

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Solution

The fourth proportional to 3,091.51, 4,266.19 and 1,764.95 is: 2,435.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.51 : 4,266.19 = 1,764.95 : x
  2. Step 2: Convert to fraction form
    3,091.51/4,266.19 = 1,764.95/x
  3. Step 3: Cross multiply
    3,091.51x = 4,266.19 × 1,764.95
  4. Step 4: Simplify right side
    3,091.51x = 7,529,625.83
  5. Step 5: Solve for x
    x = 7,529,625.83/3,091.51
  6. Step 6: Final answer
    x = 2,435.58

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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.