Home / 3,842.08-5,299.24-2,647.46

Finding the Fourth Proportional to 3,842.08, 5,299.24 and 2,647.46

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Solution

The fourth proportional to 3,842.08, 5,299.24 and 2,647.46 is: 3,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.08 : 5,299.24 = 2,647.46 : x
  2. Step 2: Convert to fraction form
    3,842.08/5,299.24 = 2,647.46/x
  3. Step 3: Cross multiply
    3,842.08x = 5,299.24 × 2,647.46
  4. Step 4: Simplify right side
    3,842.08x = 14,029,512.69
  5. Step 5: Solve for x
    x = 14,029,512.69/3,842.08
  6. Step 6: Final answer
    x = 3,651.55

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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.