Home / 4,885.09-6,740.92-2,760.50

Finding the Fourth Proportional to 4,885.09, 6,740.92 and 2,760.50

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Solution

The fourth proportional to 4,885.09, 6,740.92 and 2,760.50 is: 3,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.09 : 6,740.92 = 2,760.50 : x
  2. Step 2: Convert to fraction form
    4,885.09/6,740.92 = 2,760.50/x
  3. Step 3: Cross multiply
    4,885.09x = 6,740.92 × 2,760.50
  4. Step 4: Simplify right side
    4,885.09x = 18,608,292.05
  5. Step 5: Solve for x
    x = 18,608,292.05/4,885.09
  6. Step 6: Final answer
    x = 3,809.20

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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.