Home / 5,317.26-7,977.62-2,543.58

Finding the Fourth Proportional to 5,317.26, 7,977.62 and 2,543.58

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Solution

The fourth proportional to 5,317.26, 7,977.62 and 2,543.58 is: 3,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.26 : 7,977.62 = 2,543.58 : x
  2. Step 2: Convert to fraction form
    5,317.26/7,977.62 = 2,543.58/x
  3. Step 3: Cross multiply
    5,317.26x = 7,977.62 × 2,543.58
  4. Step 4: Simplify right side
    5,317.26x = 20,291,714.68
  5. Step 5: Solve for x
    x = 20,291,714.68/5,317.26
  6. Step 6: Final answer
    x = 3,816.20

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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.