Home / 4,838.21-6,676.86-2,742.32

Finding the Fourth Proportional to 4,838.21, 6,676.86 and 2,742.32

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Solution

The fourth proportional to 4,838.21, 6,676.86 and 2,742.32 is: 3,784.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.21 : 6,676.86 = 2,742.32 : x
  2. Step 2: Convert to fraction form
    4,838.21/6,676.86 = 2,742.32/x
  3. Step 3: Cross multiply
    4,838.21x = 6,676.86 × 2,742.32
  4. Step 4: Simplify right side
    4,838.21x = 18,310,086.72
  5. Step 5: Solve for x
    x = 18,310,086.72/4,838.21
  6. Step 6: Final answer
    x = 3,784.48

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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.