Home / 5,789.55-8,672.73-2,665.28

Finding the Fourth Proportional to 5,789.55, 8,672.73 and 2,665.28

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Solution

The fourth proportional to 5,789.55, 8,672.73 and 2,665.28 is: 3,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.55 : 8,672.73 = 2,665.28 : x
  2. Step 2: Convert to fraction form
    5,789.55/8,672.73 = 2,665.28/x
  3. Step 3: Cross multiply
    5,789.55x = 8,672.73 × 2,665.28
  4. Step 4: Simplify right side
    5,789.55x = 23,115,253.81
  5. Step 5: Solve for x
    x = 23,115,253.81/5,789.55
  6. Step 6: Final answer
    x = 3,992.58

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1.5x scale

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.