Home / 6,484.25-8,948.37-3,831.65

Finding the Fourth Proportional to 6,484.25, 8,948.37 and 3,831.65

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Solution

The fourth proportional to 6,484.25, 8,948.37 and 3,831.65 is: 5,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.25 : 8,948.37 = 3,831.65 : x
  2. Step 2: Convert to fraction form
    6,484.25/8,948.37 = 3,831.65/x
  3. Step 3: Cross multiply
    6,484.25x = 8,948.37 × 3,831.65
  4. Step 4: Simplify right side
    6,484.25x = 34,286,977.17
  5. Step 5: Solve for x
    x = 34,286,977.17/6,484.25
  6. Step 6: Final answer
    x = 5,287.74

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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.