Home / 4,668.03-6,440.51-2,778.66

Finding the Fourth Proportional to 4,668.03, 6,440.51 and 2,778.66

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Solution

The fourth proportional to 4,668.03, 6,440.51 and 2,778.66 is: 3,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.03 : 6,440.51 = 2,778.66 : x
  2. Step 2: Convert to fraction form
    4,668.03/6,440.51 = 2,778.66/x
  3. Step 3: Cross multiply
    4,668.03x = 6,440.51 × 2,778.66
  4. Step 4: Simplify right side
    4,668.03x = 17,895,973.62
  5. Step 5: Solve for x
    x = 17,895,973.62/4,668.03
  6. Step 6: Final answer
    x = 3,833.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.