Home / 4,941.91-7,416.48-3,979.63

Finding the Fourth Proportional to 4,941.91, 7,416.48 and 3,979.63

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Solution

The fourth proportional to 4,941.91, 7,416.48 and 3,979.63 is: 5,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.91 : 7,416.48 = 3,979.63 : x
  2. Step 2: Convert to fraction form
    4,941.91/7,416.48 = 3,979.63/x
  3. Step 3: Cross multiply
    4,941.91x = 7,416.48 × 3,979.63
  4. Step 4: Simplify right side
    4,941.91x = 29,514,846.30
  5. Step 5: Solve for x
    x = 29,514,846.30/4,941.91
  6. Step 6: Final answer
    x = 5,972.36

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1.5x scale

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.