Home / 5,720.20-8,565.26-4,603.68

Finding the Fourth Proportional to 5,720.20, 8,565.26 and 4,603.68

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Solution

The fourth proportional to 5,720.20, 8,565.26 and 4,603.68 is: 6,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.20 : 8,565.26 = 4,603.68 : x
  2. Step 2: Convert to fraction form
    5,720.20/8,565.26 = 4,603.68/x
  3. Step 3: Cross multiply
    5,720.20x = 8,565.26 × 4,603.68
  4. Step 4: Simplify right side
    5,720.20x = 39,431,716.16
  5. Step 5: Solve for x
    x = 39,431,716.16/5,720.20
  6. Step 6: Final answer
    x = 6,893.42

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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.