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Finding the Fourth Proportional to 5,778.99, 7,973.03 and 3,260.79

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Solution

The fourth proportional to 5,778.99, 7,973.03 and 3,260.79 is: 4,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.99 : 7,973.03 = 3,260.79 : x
  2. Step 2: Convert to fraction form
    5,778.99/7,973.03 = 3,260.79/x
  3. Step 3: Cross multiply
    5,778.99x = 7,973.03 × 3,260.79
  4. Step 4: Simplify right side
    5,778.99x = 25,998,360.19
  5. Step 5: Solve for x
    x = 25,998,360.19/5,778.99
  6. Step 6: Final answer
    x = 4,498.77

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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.