Home / 5,615.99-8,419.42-2,104.04

Finding the Fourth Proportional to 5,615.99, 8,419.42 and 2,104.04

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Solution

The fourth proportional to 5,615.99, 8,419.42 and 2,104.04 is: 3,154.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.99 : 8,419.42 = 2,104.04 : x
  2. Step 2: Convert to fraction form
    5,615.99/8,419.42 = 2,104.04/x
  3. Step 3: Cross multiply
    5,615.99x = 8,419.42 × 2,104.04
  4. Step 4: Simplify right side
    5,615.99x = 17,714,749.10
  5. Step 5: Solve for x
    x = 17,714,749.10/5,615.99
  6. Step 6: Final answer
    x = 3,154.34

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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.