Home / 4,155.71-6,231.73-1,556.82

Finding the Fourth Proportional to 4,155.71, 6,231.73 and 1,556.82

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Solution

The fourth proportional to 4,155.71, 6,231.73 and 1,556.82 is: 2,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.71 : 6,231.73 = 1,556.82 : x
  2. Step 2: Convert to fraction form
    4,155.71/6,231.73 = 1,556.82/x
  3. Step 3: Cross multiply
    4,155.71x = 6,231.73 × 1,556.82
  4. Step 4: Simplify right side
    4,155.71x = 9,701,681.90
  5. Step 5: Solve for x
    x = 9,701,681.90/4,155.71
  6. Step 6: Final answer
    x = 2,334.54

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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.