Home / 5,771.86-8,656.14-2,073.40

Finding the Fourth Proportional to 5,771.86, 8,656.14 and 2,073.40

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Solution

The fourth proportional to 5,771.86, 8,656.14 and 2,073.40 is: 3,109.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.86 : 8,656.14 = 2,073.40 : x
  2. Step 2: Convert to fraction form
    5,771.86/8,656.14 = 2,073.40/x
  3. Step 3: Cross multiply
    5,771.86x = 8,656.14 × 2,073.40
  4. Step 4: Simplify right side
    5,771.86x = 17,947,640.68
  5. Step 5: Solve for x
    x = 17,947,640.68/5,771.86
  6. Step 6: Final answer
    x = 3,109.51

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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.