Home / 2,408.68-3,607.98-2,116.54

Finding the Fourth Proportional to 2,408.68, 3,607.98 and 2,116.54

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Solution

The fourth proportional to 2,408.68, 3,607.98 and 2,116.54 is: 3,170.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.68 : 3,607.98 = 2,116.54 : x
  2. Step 2: Convert to fraction form
    2,408.68/3,607.98 = 2,116.54/x
  3. Step 3: Cross multiply
    2,408.68x = 3,607.98 × 2,116.54
  4. Step 4: Simplify right side
    2,408.68x = 7,636,433.99
  5. Step 5: Solve for x
    x = 7,636,433.99/2,408.68
  6. Step 6: Final answer
    x = 3,170.38

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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.