Home / 3,678.92-5,518.68-1,046.62

Finding the Fourth Proportional to 3,678.92, 5,518.68 and 1,046.62

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Solution

The fourth proportional to 3,678.92, 5,518.68 and 1,046.62 is: 1,570.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.92 : 5,518.68 = 1,046.62 : x
  2. Step 2: Convert to fraction form
    3,678.92/5,518.68 = 1,046.62/x
  3. Step 3: Cross multiply
    3,678.92x = 5,518.68 × 1,046.62
  4. Step 4: Simplify right side
    3,678.92x = 5,775,928.04
  5. Step 5: Solve for x
    x = 5,775,928.04/3,678.92
  6. Step 6: Final answer
    x = 1,570.01

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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.