Home / 3,074.58-4,242.66-1,748.52

Finding the Fourth Proportional to 3,074.58, 4,242.66 and 1,748.52

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Solution

The fourth proportional to 3,074.58, 4,242.66 and 1,748.52 is: 2,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.58 : 4,242.66 = 1,748.52 : x
  2. Step 2: Convert to fraction form
    3,074.58/4,242.66 = 1,748.52/x
  3. Step 3: Cross multiply
    3,074.58x = 4,242.66 × 1,748.52
  4. Step 4: Simplify right side
    3,074.58x = 7,418,375.86
  5. Step 5: Solve for x
    x = 7,418,375.86/3,074.58
  6. Step 6: Final answer
    x = 2,412.81

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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.