Home / 3,831.55-5,743.74-1,493.08

Finding the Fourth Proportional to 3,831.55, 5,743.74 and 1,493.08

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Solution

The fourth proportional to 3,831.55, 5,743.74 and 1,493.08 is: 2,238.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.55 : 5,743.74 = 1,493.08 : x
  2. Step 2: Convert to fraction form
    3,831.55/5,743.74 = 1,493.08/x
  3. Step 3: Cross multiply
    3,831.55x = 5,743.74 × 1,493.08
  4. Step 4: Simplify right side
    3,831.55x = 8,575,834.60
  5. Step 5: Solve for x
    x = 8,575,834.60/3,831.55
  6. Step 6: Final answer
    x = 2,238.22

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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.