Home / 3,071.71-4,237.61-2,076.63

Finding the Fourth Proportional to 3,071.71, 4,237.61 and 2,076.63

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Solution

The fourth proportional to 3,071.71, 4,237.61 and 2,076.63 is: 2,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.71 : 4,237.61 = 2,076.63 : x
  2. Step 2: Convert to fraction form
    3,071.71/4,237.61 = 2,076.63/x
  3. Step 3: Cross multiply
    3,071.71x = 4,237.61 × 2,076.63
  4. Step 4: Simplify right side
    3,071.71x = 8,799,926.87
  5. Step 5: Solve for x
    x = 8,799,926.87/3,071.71
  6. Step 6: Final answer
    x = 2,864.83

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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.