Home / 5,772.63-7,966.22-3,120.04

Finding the Fourth Proportional to 5,772.63, 7,966.22 and 3,120.04

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Solution

The fourth proportional to 5,772.63, 7,966.22 and 3,120.04 is: 4,305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.63 : 7,966.22 = 3,120.04 : x
  2. Step 2: Convert to fraction form
    5,772.63/7,966.22 = 3,120.04/x
  3. Step 3: Cross multiply
    5,772.63x = 7,966.22 × 3,120.04
  4. Step 4: Simplify right side
    5,772.63x = 24,854,898.00
  5. Step 5: Solve for x
    x = 24,854,898.00/5,772.63
  6. Step 6: Final answer
    x = 4,305.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.