Home / 2,954.03-4,431.05-1,105.34

Finding the Fourth Proportional to 2,954.03, 4,431.05 and 1,105.34

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Solution

The fourth proportional to 2,954.03, 4,431.05 and 1,105.34 is: 1,658.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.03 : 4,431.05 = 1,105.34 : x
  2. Step 2: Convert to fraction form
    2,954.03/4,431.05 = 1,105.34/x
  3. Step 3: Cross multiply
    2,954.03x = 4,431.05 × 1,105.34
  4. Step 4: Simplify right side
    2,954.03x = 4,897,811.28
  5. Step 5: Solve for x
    x = 4,897,811.28/2,954.03
  6. Step 6: Final answer
    x = 1,658.01

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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.