Home / 4,920.49-6,790.35-2,682.42

Finding the Fourth Proportional to 4,920.49, 6,790.35 and 2,682.42

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Solution

The fourth proportional to 4,920.49, 6,790.35 and 2,682.42 is: 3,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.49 : 6,790.35 = 2,682.42 : x
  2. Step 2: Convert to fraction form
    4,920.49/6,790.35 = 2,682.42/x
  3. Step 3: Cross multiply
    4,920.49x = 6,790.35 × 2,682.42
  4. Step 4: Simplify right side
    4,920.49x = 18,214,570.65
  5. Step 5: Solve for x
    x = 18,214,570.65/4,920.49
  6. Step 6: Final answer
    x = 3,701.78

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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.