Home / 3,462.98-5,192.76-1,981.97

Finding the Fourth Proportional to 3,462.98, 5,192.76 and 1,981.97

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Solution

The fourth proportional to 3,462.98, 5,192.76 and 1,981.97 is: 2,971.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.98 : 5,192.76 = 1,981.97 : x
  2. Step 2: Convert to fraction form
    3,462.98/5,192.76 = 1,981.97/x
  3. Step 3: Cross multiply
    3,462.98x = 5,192.76 × 1,981.97
  4. Step 4: Simplify right side
    3,462.98x = 10,291,884.33
  5. Step 5: Solve for x
    x = 10,291,884.33/3,462.98
  6. Step 6: Final answer
    x = 2,971.98

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1.5x scale

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.