Home / 3,637.86-5,456.64-1,173.24

Finding the Fourth Proportional to 3,637.86, 5,456.64 and 1,173.24

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Solution

The fourth proportional to 3,637.86, 5,456.64 and 1,173.24 is: 1,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.86 : 5,456.64 = 1,173.24 : x
  2. Step 2: Convert to fraction form
    3,637.86/5,456.64 = 1,173.24/x
  3. Step 3: Cross multiply
    3,637.86x = 5,456.64 × 1,173.24
  4. Step 4: Simplify right side
    3,637.86x = 6,401,948.31
  5. Step 5: Solve for x
    x = 6,401,948.31/3,637.86
  6. Step 6: Final answer
    x = 1,759.81

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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.