Home / 5,615.86-8,402.62-3,356.02

Finding the Fourth Proportional to 5,615.86, 8,402.62 and 3,356.02

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Solution

The fourth proportional to 5,615.86, 8,402.62 and 3,356.02 is: 5,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.86 : 8,402.62 = 3,356.02 : x
  2. Step 2: Convert to fraction form
    5,615.86/8,402.62 = 3,356.02/x
  3. Step 3: Cross multiply
    5,615.86x = 8,402.62 × 3,356.02
  4. Step 4: Simplify right side
    5,615.86x = 28,199,360.77
  5. Step 5: Solve for x
    x = 28,199,360.77/5,615.86
  6. Step 6: Final answer
    x = 5,021.38

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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.