Home / 2,469.85-3,408.51-1,461.60

Finding the Fourth Proportional to 2,469.85, 3,408.51 and 1,461.60

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Solution

The fourth proportional to 2,469.85, 3,408.51 and 1,461.60 is: 2,017.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.85 : 3,408.51 = 1,461.60 : x
  2. Step 2: Convert to fraction form
    2,469.85/3,408.51 = 1,461.60/x
  3. Step 3: Cross multiply
    2,469.85x = 3,408.51 × 1,461.60
  4. Step 4: Simplify right side
    2,469.85x = 4,981,878.22
  5. Step 5: Solve for x
    x = 4,981,878.22/2,469.85
  6. Step 6: Final answer
    x = 2,017.08

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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.