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Finding the Fourth Proportional to 5,710.58, 7,879.39 and 3,351.34

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Solution

The fourth proportional to 5,710.58, 7,879.39 and 3,351.34 is: 4,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,710.58 : 7,879.39 = 3,351.34 : x
  2. Step 2: Convert to fraction form
    5,710.58/7,879.39 = 3,351.34/x
  3. Step 3: Cross multiply
    5,710.58x = 7,879.39 × 3,351.34
  4. Step 4: Simplify right side
    5,710.58x = 26,406,514.88
  5. Step 5: Solve for x
    x = 26,406,514.88/5,710.58
  6. Step 6: Final answer
    x = 4,624.14

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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.