Home / 5,318.60-7,976.54-2,196.06

Finding the Fourth Proportional to 5,318.60, 7,976.54 and 2,196.06

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Solution

The fourth proportional to 5,318.60, 7,976.54 and 2,196.06 is: 3,293.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.60 : 7,976.54 = 2,196.06 : x
  2. Step 2: Convert to fraction form
    5,318.60/7,976.54 = 2,196.06/x
  3. Step 3: Cross multiply
    5,318.60x = 7,976.54 × 2,196.06
  4. Step 4: Simplify right side
    5,318.60x = 17,516,960.43
  5. Step 5: Solve for x
    x = 17,516,960.43/5,318.60
  6. Step 6: Final answer
    x = 3,293.53

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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.