Home / 5,575.92-7,688.46-3,556.64

Finding the Fourth Proportional to 5,575.92, 7,688.46 and 3,556.64

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Solution

The fourth proportional to 5,575.92, 7,688.46 and 3,556.64 is: 4,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.92 : 7,688.46 = 3,556.64 : x
  2. Step 2: Convert to fraction form
    5,575.92/7,688.46 = 3,556.64/x
  3. Step 3: Cross multiply
    5,575.92x = 7,688.46 × 3,556.64
  4. Step 4: Simplify right side
    5,575.92x = 27,345,084.37
  5. Step 5: Solve for x
    x = 27,345,084.37/5,575.92
  6. Step 6: Final answer
    x = 4,904.14

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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.