Home / 4,920.86-6,790.58-2,682.68

Finding the Fourth Proportional to 4,920.86, 6,790.58 and 2,682.68

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Solution

The fourth proportional to 4,920.86, 6,790.58 and 2,682.68 is: 3,701.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.86 : 6,790.58 = 2,682.68 : x
  2. Step 2: Convert to fraction form
    4,920.86/6,790.58 = 2,682.68/x
  3. Step 3: Cross multiply
    4,920.86x = 6,790.58 × 2,682.68
  4. Step 4: Simplify right side
    4,920.86x = 18,216,956.72
  5. Step 5: Solve for x
    x = 18,216,956.72/4,920.86
  6. Step 6: Final answer
    x = 3,701.99

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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.