Home / 4,767.91-7,148.66-1,842.80

Finding the Fourth Proportional to 4,767.91, 7,148.66 and 1,842.80

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Solution

The fourth proportional to 4,767.91, 7,148.66 and 1,842.80 is: 2,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.91 : 7,148.66 = 1,842.80 : x
  2. Step 2: Convert to fraction form
    4,767.91/7,148.66 = 1,842.80/x
  3. Step 3: Cross multiply
    4,767.91x = 7,148.66 × 1,842.80
  4. Step 4: Simplify right side
    4,767.91x = 13,173,505.69
  5. Step 5: Solve for x
    x = 13,173,505.69/4,767.91
  6. Step 6: Final answer
    x = 2,762.95

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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.