Home / 4,920.67-6,790.53-2,682.51

Finding the Fourth Proportional to 4,920.67, 6,790.53 and 2,682.51

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Solution

The fourth proportional to 4,920.67, 6,790.53 and 2,682.51 is: 3,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.67 : 6,790.53 = 2,682.51 : x
  2. Step 2: Convert to fraction form
    4,920.67/6,790.53 = 2,682.51/x
  3. Step 3: Cross multiply
    4,920.67x = 6,790.53 × 2,682.51
  4. Step 4: Simplify right side
    4,920.67x = 18,215,630.68
  5. Step 5: Solve for x
    x = 18,215,630.68/4,920.67
  6. Step 6: Final answer
    x = 3,701.86

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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.