Home / 3,792.48-5,233.92-2,220

Finding the Fourth Proportional to 3,792.48, 5,233.92 and 2,220

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Solution

The fourth proportional to 3,792.48, 5,233.92 and 2,220 is: 3,063.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.48 : 5,233.92 = 2,220 : x
  2. Step 2: Convert to fraction form
    3,792.48/5,233.92 = 2,220/x
  3. Step 3: Cross multiply
    3,792.48x = 5,233.92 × 2,220
  4. Step 4: Simplify right side
    3,792.48x = 11,619,302.40
  5. Step 5: Solve for x
    x = 11,619,302.40/3,792.48
  6. Step 6: Final answer
    x = 3,063.77

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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.