Home / 6,144.13-8,478.93-3,492.43

Finding the Fourth Proportional to 6,144.13, 8,478.93 and 3,492.43

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Solution

The fourth proportional to 6,144.13, 8,478.93 and 3,492.43 is: 4,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.13 : 8,478.93 = 3,492.43 : x
  2. Step 2: Convert to fraction form
    6,144.13/8,478.93 = 3,492.43/x
  3. Step 3: Cross multiply
    6,144.13x = 8,478.93 × 3,492.43
  4. Step 4: Simplify right side
    6,144.13x = 29,612,069.50
  5. Step 5: Solve for x
    x = 29,612,069.50/6,144.13
  6. Step 6: Final answer
    x = 4,819.57

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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.