Home / 3,973.20-5,476.41-2,792.22

Finding the Fourth Proportional to 3,973.20, 5,476.41 and 2,792.22

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Solution

The fourth proportional to 3,973.20, 5,476.41 and 2,792.22 is: 3,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.20 : 5,476.41 = 2,792.22 : x
  2. Step 2: Convert to fraction form
    3,973.20/5,476.41 = 2,792.22/x
  3. Step 3: Cross multiply
    3,973.20x = 5,476.41 × 2,792.22
  4. Step 4: Simplify right side
    3,973.20x = 15,291,341.53
  5. Step 5: Solve for x
    x = 15,291,341.53/3,973.20
  6. Step 6: Final answer
    x = 3,848.62

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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.