Home / 6,554.63-9,831.92-2,172.42

Finding the Fourth Proportional to 6,554.63, 9,831.92 and 2,172.42

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Solution

The fourth proportional to 6,554.63, 9,831.92 and 2,172.42 is: 3,258.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.63 : 9,831.92 = 2,172.42 : x
  2. Step 2: Convert to fraction form
    6,554.63/9,831.92 = 2,172.42/x
  3. Step 3: Cross multiply
    6,554.63x = 9,831.92 × 2,172.42
  4. Step 4: Simplify right side
    6,554.63x = 21,359,059.65
  5. Step 5: Solve for x
    x = 21,359,059.65/6,554.63
  6. Step 6: Final answer
    x = 3,258.62

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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.