Home / 4,920.47-6,790.16-2,682.37

Finding the Fourth Proportional to 4,920.47, 6,790.16 and 2,682.37

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Solution

The fourth proportional to 4,920.47, 6,790.16 and 2,682.37 is: 3,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.47 : 6,790.16 = 2,682.37 : x
  2. Step 2: Convert to fraction form
    4,920.47/6,790.16 = 2,682.37/x
  3. Step 3: Cross multiply
    4,920.47x = 6,790.16 × 2,682.37
  4. Step 4: Simplify right side
    4,920.47x = 18,213,721.48
  5. Step 5: Solve for x
    x = 18,213,721.48/4,920.47
  6. Step 6: Final answer
    x = 3,701.62

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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.