Home / 4,912.13-6,776.21-3,045.89

Finding the Fourth Proportional to 4,912.13, 6,776.21 and 3,045.89

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Solution

The fourth proportional to 4,912.13, 6,776.21 and 3,045.89 is: 4,201.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.13 : 6,776.21 = 3,045.89 : x
  2. Step 2: Convert to fraction form
    4,912.13/6,776.21 = 3,045.89/x
  3. Step 3: Cross multiply
    4,912.13x = 6,776.21 × 3,045.89
  4. Step 4: Simplify right side
    4,912.13x = 20,639,575.05
  5. Step 5: Solve for x
    x = 20,639,575.05/4,912.13
  6. Step 6: Final answer
    x = 4,201.76

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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.