Home / 3,483.41-4,806.68-1,911.47

Finding the Fourth Proportional to 3,483.41, 4,806.68 and 1,911.47

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Solution

The fourth proportional to 3,483.41, 4,806.68 and 1,911.47 is: 2,637.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.41 : 4,806.68 = 1,911.47 : x
  2. Step 2: Convert to fraction form
    3,483.41/4,806.68 = 1,911.47/x
  3. Step 3: Cross multiply
    3,483.41x = 4,806.68 × 1,911.47
  4. Step 4: Simplify right side
    3,483.41x = 9,187,791.03
  5. Step 5: Solve for x
    x = 9,187,791.03/3,483.41
  6. Step 6: Final answer
    x = 2,637.59

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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.