Home / 4,723.80-7,074.72-2,531.28

Finding the Fourth Proportional to 4,723.80, 7,074.72 and 2,531.28

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Solution

The fourth proportional to 4,723.80, 7,074.72 and 2,531.28 is: 3,791.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.80 : 7,074.72 = 2,531.28 : x
  2. Step 2: Convert to fraction form
    4,723.80/7,074.72 = 2,531.28/x
  3. Step 3: Cross multiply
    4,723.80x = 7,074.72 × 2,531.28
  4. Step 4: Simplify right side
    4,723.80x = 17,908,097.24
  5. Step 5: Solve for x
    x = 17,908,097.24/4,723.80
  6. Step 6: Final answer
    x = 3,791.04

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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.