Home / 4,554.31-6,831.81-1,434.48

Finding the Fourth Proportional to 4,554.31, 6,831.81 and 1,434.48

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Solution

The fourth proportional to 4,554.31, 6,831.81 and 1,434.48 is: 2,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,554.31 : 6,831.81 = 1,434.48 : x
  2. Step 2: Convert to fraction form
    4,554.31/6,831.81 = 1,434.48/x
  3. Step 3: Cross multiply
    4,554.31x = 6,831.81 × 1,434.48
  4. Step 4: Simplify right side
    4,554.31x = 9,800,086.63
  5. Step 5: Solve for x
    x = 9,800,086.63/4,554.31
  6. Step 6: Final answer
    x = 2,151.83

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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.