Home / 2,971.76-4,101.13-1,792.60

Finding the Fourth Proportional to 2,971.76, 4,101.13 and 1,792.60

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Solution

The fourth proportional to 2,971.76, 4,101.13 and 1,792.60 is: 2,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.76 : 4,101.13 = 1,792.60 : x
  2. Step 2: Convert to fraction form
    2,971.76/4,101.13 = 1,792.60/x
  3. Step 3: Cross multiply
    2,971.76x = 4,101.13 × 1,792.60
  4. Step 4: Simplify right side
    2,971.76x = 7,351,677.63
  5. Step 5: Solve for x
    x = 7,351,677.63/2,971.76
  6. Step 6: Final answer
    x = 2,473.85

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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.