Home / 4,120.96-6,182.21-1,655.97

Finding the Fourth Proportional to 4,120.96, 6,182.21 and 1,655.97

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Solution

The fourth proportional to 4,120.96, 6,182.21 and 1,655.97 is: 2,484.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.96 : 6,182.21 = 1,655.97 : x
  2. Step 2: Convert to fraction form
    4,120.96/6,182.21 = 1,655.97/x
  3. Step 3: Cross multiply
    4,120.96x = 6,182.21 × 1,655.97
  4. Step 4: Simplify right side
    4,120.96x = 10,237,515.10
  5. Step 5: Solve for x
    x = 10,237,515.10/4,120.96
  6. Step 6: Final answer
    x = 2,484.26

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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.