Home / 3,831.50-5,747.27-1,058.31

Finding the Fourth Proportional to 3,831.50, 5,747.27 and 1,058.31

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Solution

The fourth proportional to 3,831.50, 5,747.27 and 1,058.31 is: 1,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.50 : 5,747.27 = 1,058.31 : x
  2. Step 2: Convert to fraction form
    3,831.50/5,747.27 = 1,058.31/x
  3. Step 3: Cross multiply
    3,831.50x = 5,747.27 × 1,058.31
  4. Step 4: Simplify right side
    3,831.50x = 6,082,388.02
  5. Step 5: Solve for x
    x = 6,082,388.02/3,831.50
  6. Step 6: Final answer
    x = 1,587.47

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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.