Home / 3,831.44-5,289.56-2,506.48

Finding the Fourth Proportional to 3,831.44, 5,289.56 and 2,506.48

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Solution

The fourth proportional to 3,831.44, 5,289.56 and 2,506.48 is: 3,460.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.44 : 5,289.56 = 2,506.48 : x
  2. Step 2: Convert to fraction form
    3,831.44/5,289.56 = 2,506.48/x
  3. Step 3: Cross multiply
    3,831.44x = 5,289.56 × 2,506.48
  4. Step 4: Simplify right side
    3,831.44x = 13,258,176.35
  5. Step 5: Solve for x
    x = 13,258,176.35/3,831.44
  6. Step 6: Final answer
    x = 3,460.36

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1.5x scale

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.