Home / 5,720.83-8,575.77-1,822.70

Finding the Fourth Proportional to 5,720.83, 8,575.77 and 1,822.70

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Solution

The fourth proportional to 5,720.83, 8,575.77 and 1,822.70 is: 2,732.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.83 : 8,575.77 = 1,822.70 : x
  2. Step 2: Convert to fraction form
    5,720.83/8,575.77 = 1,822.70/x
  3. Step 3: Cross multiply
    5,720.83x = 8,575.77 × 1,822.70
  4. Step 4: Simplify right side
    5,720.83x = 15,631,084.25
  5. Step 5: Solve for x
    x = 15,631,084.25/5,720.83
  6. Step 6: Final answer
    x = 2,732.31

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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.