Home / 4,731.20-7,091.52-2,097.88

Finding the Fourth Proportional to 4,731.20, 7,091.52 and 2,097.88

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Solution

The fourth proportional to 4,731.20, 7,091.52 and 2,097.88 is: 3,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.20 : 7,091.52 = 2,097.88 : x
  2. Step 2: Convert to fraction form
    4,731.20/7,091.52 = 2,097.88/x
  3. Step 3: Cross multiply
    4,731.20x = 7,091.52 × 2,097.88
  4. Step 4: Simplify right side
    4,731.20x = 14,877,157.98
  5. Step 5: Solve for x
    x = 14,877,157.98/4,731.20
  6. Step 6: Final answer
    x = 3,144.48

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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.