Home / 6,102.86-9,154.84-1,720.36

Finding the Fourth Proportional to 6,102.86, 9,154.84 and 1,720.36

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Solution

The fourth proportional to 6,102.86, 9,154.84 and 1,720.36 is: 2,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.86 : 9,154.84 = 1,720.36 : x
  2. Step 2: Convert to fraction form
    6,102.86/9,154.84 = 1,720.36/x
  3. Step 3: Cross multiply
    6,102.86x = 9,154.84 × 1,720.36
  4. Step 4: Simplify right side
    6,102.86x = 15,749,620.54
  5. Step 5: Solve for x
    x = 15,749,620.54/6,102.86
  6. Step 6: Final answer
    x = 2,580.70

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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.