Home / 2,981.98-4,110.37-2,351.53

Finding the Fourth Proportional to 2,981.98, 4,110.37 and 2,351.53

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Solution

The fourth proportional to 2,981.98, 4,110.37 and 2,351.53 is: 3,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.98 : 4,110.37 = 2,351.53 : x
  2. Step 2: Convert to fraction form
    2,981.98/4,110.37 = 2,351.53/x
  3. Step 3: Cross multiply
    2,981.98x = 4,110.37 × 2,351.53
  4. Step 4: Simplify right side
    2,981.98x = 9,665,658.37
  5. Step 5: Solve for x
    x = 9,665,658.37/2,981.98
  6. Step 6: Final answer
    x = 3,241.36

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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.