Home / 2,625.48-3,942.66-2,520.84

Finding the Fourth Proportional to 2,625.48, 3,942.66 and 2,520.84

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Solution

The fourth proportional to 2,625.48, 3,942.66 and 2,520.84 is: 3,785.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.48 : 3,942.66 = 2,520.84 : x
  2. Step 2: Convert to fraction form
    2,625.48/3,942.66 = 2,520.84/x
  3. Step 3: Cross multiply
    2,625.48x = 3,942.66 × 2,520.84
  4. Step 4: Simplify right side
    2,625.48x = 9,938,815.03
  5. Step 5: Solve for x
    x = 9,938,815.03/2,625.48
  6. Step 6: Final answer
    x = 3,785.52

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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.