Home / 5,612.93-8,419.31-2,492.10

Finding the Fourth Proportional to 5,612.93, 8,419.31 and 2,492.10

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Solution

The fourth proportional to 5,612.93, 8,419.31 and 2,492.10 is: 3,738.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.93 : 8,419.31 = 2,492.10 : x
  2. Step 2: Convert to fraction form
    5,612.93/8,419.31 = 2,492.10/x
  3. Step 3: Cross multiply
    5,612.93x = 8,419.31 × 2,492.10
  4. Step 4: Simplify right side
    5,612.93x = 20,981,759.34
  5. Step 5: Solve for x
    x = 20,981,759.34/5,612.93
  6. Step 6: Final answer
    x = 3,738.11

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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.