Home / 4,792.76-7,190.30-1,831.35

Finding the Fourth Proportional to 4,792.76, 7,190.30 and 1,831.35

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Solution

The fourth proportional to 4,792.76, 7,190.30 and 1,831.35 is: 2,747.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.76 : 7,190.30 = 1,831.35 : x
  2. Step 2: Convert to fraction form
    4,792.76/7,190.30 = 1,831.35/x
  3. Step 3: Cross multiply
    4,792.76x = 7,190.30 × 1,831.35
  4. Step 4: Simplify right side
    4,792.76x = 13,167,955.91
  5. Step 5: Solve for x
    x = 13,167,955.91/4,792.76
  6. Step 6: Final answer
    x = 2,747.47

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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.