Home / 5,831.00-8,046.81-3,178.41

Finding the Fourth Proportional to 5,831.00, 8,046.81 and 3,178.41

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Solution

The fourth proportional to 5,831.00, 8,046.81 and 3,178.41 is: 4,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.00 : 8,046.81 = 3,178.41 : x
  2. Step 2: Convert to fraction form
    5,831.00/8,046.81 = 3,178.41/x
  3. Step 3: Cross multiply
    5,831.00x = 8,046.81 × 3,178.41
  4. Step 4: Simplify right side
    5,831.00x = 25,576,031.20
  5. Step 5: Solve for x
    x = 25,576,031.20/5,831.00
  6. Step 6: Final answer
    x = 4,386.21

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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.