Home / 4,492.10-6,738.54-1,205.12

Finding the Fourth Proportional to 4,492.10, 6,738.54 and 1,205.12

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Solution

The fourth proportional to 4,492.10, 6,738.54 and 1,205.12 is: 1,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,492.10 : 6,738.54 = 1,205.12 : x
  2. Step 2: Convert to fraction form
    4,492.10/6,738.54 = 1,205.12/x
  3. Step 3: Cross multiply
    4,492.10x = 6,738.54 × 1,205.12
  4. Step 4: Simplify right side
    4,492.10x = 8,120,749.32
  5. Step 5: Solve for x
    x = 8,120,749.32/4,492.10
  6. Step 6: Final answer
    x = 1,807.78

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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.