Home / 4,612.78-6,321.32-4,169.94

Finding the Fourth Proportional to 4,612.78, 6,321.32 and 4,169.94

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Solution

The fourth proportional to 4,612.78, 6,321.32 and 4,169.94 is: 5,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.78 : 6,321.32 = 4,169.94 : x
  2. Step 2: Convert to fraction form
    4,612.78/6,321.32 = 4,169.94/x
  3. Step 3: Cross multiply
    4,612.78x = 6,321.32 × 4,169.94
  4. Step 4: Simplify right side
    4,612.78x = 26,359,525.12
  5. Step 5: Solve for x
    x = 26,359,525.12/4,612.78
  6. Step 6: Final answer
    x = 5,714.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.