Home / 4,648.70-6,416.33-2,879.25

Finding the Fourth Proportional to 4,648.70, 6,416.33 and 2,879.25

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Solution

The fourth proportional to 4,648.70, 6,416.33 and 2,879.25 is: 3,974.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.70 : 6,416.33 = 2,879.25 : x
  2. Step 2: Convert to fraction form
    4,648.70/6,416.33 = 2,879.25/x
  3. Step 3: Cross multiply
    4,648.70x = 6,416.33 × 2,879.25
  4. Step 4: Simplify right side
    4,648.70x = 18,474,203.76
  5. Step 5: Solve for x
    x = 18,474,203.76/4,648.70
  6. Step 6: Final answer
    x = 3,974.06

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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.