Home / 4,920.75-6,790.64-3,351.58

Finding the Fourth Proportional to 4,920.75, 6,790.64 and 3,351.58

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Solution

The fourth proportional to 4,920.75, 6,790.64 and 3,351.58 is: 4,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.75 : 6,790.64 = 3,351.58 : x
  2. Step 2: Convert to fraction form
    4,920.75/6,790.64 = 3,351.58/x
  3. Step 3: Cross multiply
    4,920.75x = 6,790.64 × 3,351.58
  4. Step 4: Simplify right side
    4,920.75x = 22,759,339.48
  5. Step 5: Solve for x
    x = 22,759,339.48/4,920.75
  6. Step 6: Final answer
    x = 4,625.18

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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.