Home / 4,682.85-6,990.11-4,091.68

Finding the Fourth Proportional to 4,682.85, 6,990.11 and 4,091.68

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Solution

The fourth proportional to 4,682.85, 6,990.11 and 4,091.68 is: 6,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,682.85 : 6,990.11 = 4,091.68 : x
  2. Step 2: Convert to fraction form
    4,682.85/6,990.11 = 4,091.68/x
  3. Step 3: Cross multiply
    4,682.85x = 6,990.11 × 4,091.68
  4. Step 4: Simplify right side
    4,682.85x = 28,601,306.53
  5. Step 5: Solve for x
    x = 28,601,306.53/4,682.85
  6. Step 6: Final answer
    x = 6,107.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.