Home / 5,083.20-7,624.80-1,796.40

Finding the Fourth Proportional to 5,083.20, 7,624.80 and 1,796.40

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Solution

The fourth proportional to 5,083.20, 7,624.80 and 1,796.40 is: 2,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.20 : 7,624.80 = 1,796.40 : x
  2. Step 2: Convert to fraction form
    5,083.20/7,624.80 = 1,796.40/x
  3. Step 3: Cross multiply
    5,083.20x = 7,624.80 × 1,796.40
  4. Step 4: Simplify right side
    5,083.20x = 13,697,190.72
  5. Step 5: Solve for x
    x = 13,697,190.72/5,083.20
  6. Step 6: Final answer
    x = 2,694.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.