Home / 3,053.75-4,221.86-2,684.66

Finding the Fourth Proportional to 3,053.75, 4,221.86 and 2,684.66

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Solution

The fourth proportional to 3,053.75, 4,221.86 and 2,684.66 is: 3,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.75 : 4,221.86 = 2,684.66 : x
  2. Step 2: Convert to fraction form
    3,053.75/4,221.86 = 2,684.66/x
  3. Step 3: Cross multiply
    3,053.75x = 4,221.86 × 2,684.66
  4. Step 4: Simplify right side
    3,053.75x = 11,334,224.14
  5. Step 5: Solve for x
    x = 11,334,224.14/3,053.75
  6. Step 6: Final answer
    x = 3,711.58

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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.