Home / 5,772.60-7,966.19-3,120.01

Finding the Fourth Proportional to 5,772.60, 7,966.19 and 3,120.01

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Solution

The fourth proportional to 5,772.60, 7,966.19 and 3,120.01 is: 4,305.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.60 : 7,966.19 = 3,120.01 : x
  2. Step 2: Convert to fraction form
    5,772.60/7,966.19 = 3,120.01/x
  3. Step 3: Cross multiply
    5,772.60x = 7,966.19 × 3,120.01
  4. Step 4: Simplify right side
    5,772.60x = 24,854,592.46
  5. Step 5: Solve for x
    x = 24,854,592.46/5,772.60
  6. Step 6: Final answer
    x = 4,305.61

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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.