Home / 4,961.20-7,438.56-2,492.32

Finding the Fourth Proportional to 4,961.20, 7,438.56 and 2,492.32

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Solution

The fourth proportional to 4,961.20, 7,438.56 and 2,492.32 is: 3,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.20 : 7,438.56 = 2,492.32 : x
  2. Step 2: Convert to fraction form
    4,961.20/7,438.56 = 2,492.32/x
  3. Step 3: Cross multiply
    4,961.20x = 7,438.56 × 2,492.32
  4. Step 4: Simplify right side
    4,961.20x = 18,539,271.86
  5. Step 5: Solve for x
    x = 18,539,271.86/4,961.20
  6. Step 6: Final answer
    x = 3,736.85

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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.