Home / 4,620.80-6,374.76-3,362.60

Finding the Fourth Proportional to 4,620.80, 6,374.76 and 3,362.60

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Solution

The fourth proportional to 4,620.80, 6,374.76 and 3,362.60 is: 4,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.80 : 6,374.76 = 3,362.60 : x
  2. Step 2: Convert to fraction form
    4,620.80/6,374.76 = 3,362.60/x
  3. Step 3: Cross multiply
    4,620.80x = 6,374.76 × 3,362.60
  4. Step 4: Simplify right side
    4,620.80x = 21,435,767.98
  5. Step 5: Solve for x
    x = 21,435,767.98/4,620.80
  6. Step 6: Final answer
    x = 4,638.97

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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.