Home / 3,742.26-5,164.52-2,148.88

Finding the Fourth Proportional to 3,742.26, 5,164.52 and 2,148.88

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Solution

The fourth proportional to 3,742.26, 5,164.52 and 2,148.88 is: 2,965.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.26 : 5,164.52 = 2,148.88 : x
  2. Step 2: Convert to fraction form
    3,742.26/5,164.52 = 2,148.88/x
  3. Step 3: Cross multiply
    3,742.26x = 5,164.52 × 2,148.88
  4. Step 4: Simplify right side
    3,742.26x = 11,097,933.74
  5. Step 5: Solve for x
    x = 11,097,933.74/3,742.26
  6. Step 6: Final answer
    x = 2,965.57

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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.