Home / 3,005.18-4,146.25-1,745.99

Finding the Fourth Proportional to 3,005.18, 4,146.25 and 1,745.99

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Solution

The fourth proportional to 3,005.18, 4,146.25 and 1,745.99 is: 2,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.18 : 4,146.25 = 1,745.99 : x
  2. Step 2: Convert to fraction form
    3,005.18/4,146.25 = 1,745.99/x
  3. Step 3: Cross multiply
    3,005.18x = 4,146.25 × 1,745.99
  4. Step 4: Simplify right side
    3,005.18x = 7,239,311.04
  5. Step 5: Solve for x
    x = 7,239,311.04/3,005.18
  6. Step 6: Final answer
    x = 2,408.94

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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.