Home / 3,155.75-4,733.59-1,400.33

Finding the Fourth Proportional to 3,155.75, 4,733.59 and 1,400.33

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Solution

The fourth proportional to 3,155.75, 4,733.59 and 1,400.33 is: 2,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.75 : 4,733.59 = 1,400.33 : x
  2. Step 2: Convert to fraction form
    3,155.75/4,733.59 = 1,400.33/x
  3. Step 3: Cross multiply
    3,155.75x = 4,733.59 × 1,400.33
  4. Step 4: Simplify right side
    3,155.75x = 6,628,564.42
  5. Step 5: Solve for x
    x = 6,628,564.42/3,155.75
  6. Step 6: Final answer
    x = 2,100.48

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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.