Home / 4,741.68-7,112.52-1,621.72

Finding the Fourth Proportional to 4,741.68, 7,112.52 and 1,621.72

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Solution

The fourth proportional to 4,741.68, 7,112.52 and 1,621.72 is: 2,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.68 : 7,112.52 = 1,621.72 : x
  2. Step 2: Convert to fraction form
    4,741.68/7,112.52 = 1,621.72/x
  3. Step 3: Cross multiply
    4,741.68x = 7,112.52 × 1,621.72
  4. Step 4: Simplify right side
    4,741.68x = 11,534,524.83
  5. Step 5: Solve for x
    x = 11,534,524.83/4,741.68
  6. Step 6: Final answer
    x = 2,432.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.