Home / 4,887.44-6,744.32-3,118.85

Finding the Fourth Proportional to 4,887.44, 6,744.32 and 3,118.85

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Solution

The fourth proportional to 4,887.44, 6,744.32 and 3,118.85 is: 4,303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.44 : 6,744.32 = 3,118.85 : x
  2. Step 2: Convert to fraction form
    4,887.44/6,744.32 = 3,118.85/x
  3. Step 3: Cross multiply
    4,887.44x = 6,744.32 × 3,118.85
  4. Step 4: Simplify right side
    4,887.44x = 21,034,522.43
  5. Step 5: Solve for x
    x = 21,034,522.43/4,887.44
  6. Step 6: Final answer
    x = 4,303.79

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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.