Home / 5,349.86-8,021.38-2,571.01

Finding the Fourth Proportional to 5,349.86, 8,021.38 and 2,571.01

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Solution

The fourth proportional to 5,349.86, 8,021.38 and 2,571.01 is: 3,854.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.86 : 8,021.38 = 2,571.01 : x
  2. Step 2: Convert to fraction form
    5,349.86/8,021.38 = 2,571.01/x
  3. Step 3: Cross multiply
    5,349.86x = 8,021.38 × 2,571.01
  4. Step 4: Simplify right side
    5,349.86x = 20,623,026.53
  5. Step 5: Solve for x
    x = 20,623,026.53/5,349.86
  6. Step 6: Final answer
    x = 3,854.87

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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.