Home / 2,134.10-3,201.60-673.25

Finding the Fourth Proportional to 2,134.10, 3,201.60 and 673.25

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Solution

The fourth proportional to 2,134.10, 3,201.60 and 673.25 is: 1,010.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.10 : 3,201.60 = 673.25 : x
  2. Step 2: Convert to fraction form
    2,134.10/3,201.60 = 673.25/x
  3. Step 3: Cross multiply
    2,134.10x = 3,201.60 × 673.25
  4. Step 4: Simplify right side
    2,134.10x = 2,155,477.20
  5. Step 5: Solve for x
    x = 2,155,477.20/2,134.10
  6. Step 6: Final answer
    x = 1,010.02

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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.