Home / 6,556.90-9,831.93-3,429.34

Finding the Fourth Proportional to 6,556.90, 9,831.93 and 3,429.34

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Solution

The fourth proportional to 6,556.90, 9,831.93 and 3,429.34 is: 5,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556.90 : 9,831.93 = 3,429.34 : x
  2. Step 2: Convert to fraction form
    6,556.90/9,831.93 = 3,429.34/x
  3. Step 3: Cross multiply
    6,556.90x = 9,831.93 × 3,429.34
  4. Step 4: Simplify right side
    6,556.90x = 33,717,012.68
  5. Step 5: Solve for x
    x = 33,717,012.68/6,556.90
  6. Step 6: Final answer
    x = 5,142.22

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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.