Home / 4,151.64-5,721.39-2,970.66

Finding the Fourth Proportional to 4,151.64, 5,721.39 and 2,970.66

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Solution

The fourth proportional to 4,151.64, 5,721.39 and 2,970.66 is: 4,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.64 : 5,721.39 = 2,970.66 : x
  2. Step 2: Convert to fraction form
    4,151.64/5,721.39 = 2,970.66/x
  3. Step 3: Cross multiply
    4,151.64x = 5,721.39 × 2,970.66
  4. Step 4: Simplify right side
    4,151.64x = 16,996,304.42
  5. Step 5: Solve for x
    x = 16,996,304.42/4,151.64
  6. Step 6: Final answer
    x = 4,093.88

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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.