Home / 5,614.35-8,421.53-3,854.02

Finding the Fourth Proportional to 5,614.35, 8,421.53 and 3,854.02

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Solution

The fourth proportional to 5,614.35, 8,421.53 and 3,854.02 is: 5,781.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.35 : 8,421.53 = 3,854.02 : x
  2. Step 2: Convert to fraction form
    5,614.35/8,421.53 = 3,854.02/x
  3. Step 3: Cross multiply
    5,614.35x = 8,421.53 × 3,854.02
  4. Step 4: Simplify right side
    5,614.35x = 32,456,745.05
  5. Step 5: Solve for x
    x = 32,456,745.05/5,614.35
  6. Step 6: Final answer
    x = 5,781.03

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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.