Home / 4,731.75-7,091.21-1,808.46

Finding the Fourth Proportional to 4,731.75, 7,091.21 and 1,808.46

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Solution

The fourth proportional to 4,731.75, 7,091.21 and 1,808.46 is: 2,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.75 : 7,091.21 = 1,808.46 : x
  2. Step 2: Convert to fraction form
    4,731.75/7,091.21 = 1,808.46/x
  3. Step 3: Cross multiply
    4,731.75x = 7,091.21 × 1,808.46
  4. Step 4: Simplify right side
    4,731.75x = 12,824,169.64
  5. Step 5: Solve for x
    x = 12,824,169.64/4,731.75
  6. Step 6: Final answer
    x = 2,710.24

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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.