Home / 3,025.03-4,172.65-1,904.03

Finding the Fourth Proportional to 3,025.03, 4,172.65 and 1,904.03

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Solution

The fourth proportional to 3,025.03, 4,172.65 and 1,904.03 is: 2,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.03 : 4,172.65 = 1,904.03 : x
  2. Step 2: Convert to fraction form
    3,025.03/4,172.65 = 1,904.03/x
  3. Step 3: Cross multiply
    3,025.03x = 4,172.65 × 1,904.03
  4. Step 4: Simplify right side
    3,025.03x = 7,944,850.78
  5. Step 5: Solve for x
    x = 7,944,850.78/3,025.03
  6. Step 6: Final answer
    x = 2,626.37

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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.