Home / 2,416.14-3,624.81-684.75

Finding the Fourth Proportional to 2,416.14, 3,624.81 and 684.75

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Solution

The fourth proportional to 2,416.14, 3,624.81 and 684.75 is: 1,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.14 : 3,624.81 = 684.75 : x
  2. Step 2: Convert to fraction form
    2,416.14/3,624.81 = 684.75/x
  3. Step 3: Cross multiply
    2,416.14x = 3,624.81 × 684.75
  4. Step 4: Simplify right side
    2,416.14x = 2,482,088.65
  5. Step 5: Solve for x
    x = 2,482,088.65/2,416.14
  6. Step 6: Final answer
    x = 1,027.30

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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.