Home / 2,400.13-3,600.33-668.89

Finding the Fourth Proportional to 2,400.13, 3,600.33 and 668.89

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Solution

The fourth proportional to 2,400.13, 3,600.33 and 668.89 is: 1,003.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.13 : 3,600.33 = 668.89 : x
  2. Step 2: Convert to fraction form
    2,400.13/3,600.33 = 668.89/x
  3. Step 3: Cross multiply
    2,400.13x = 3,600.33 × 668.89
  4. Step 4: Simplify right side
    2,400.13x = 2,408,203.39
  5. Step 5: Solve for x
    x = 2,408,203.39/2,400.13
  6. Step 6: Final answer
    x = 1,003.37

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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.