Home / 5,831.03-8,046.81-3,178.44

Finding the Fourth Proportional to 5,831.03, 8,046.81 and 3,178.44

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Solution

The fourth proportional to 5,831.03, 8,046.81 and 3,178.44 is: 4,386.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.03 : 8,046.81 = 3,178.44 : x
  2. Step 2: Convert to fraction form
    5,831.03/8,046.81 = 3,178.44/x
  3. Step 3: Cross multiply
    5,831.03x = 8,046.81 × 3,178.44
  4. Step 4: Simplify right side
    5,831.03x = 25,576,302.78
  5. Step 5: Solve for x
    x = 25,576,302.78/5,831.03
  6. Step 6: Final answer
    x = 4,386.24

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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.