Home / 5,695.71-8,540.52-2,921.25

Finding the Fourth Proportional to 5,695.71, 8,540.52 and 2,921.25

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Solution

The fourth proportional to 5,695.71, 8,540.52 and 2,921.25 is: 4,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.71 : 8,540.52 = 2,921.25 : x
  2. Step 2: Convert to fraction form
    5,695.71/8,540.52 = 2,921.25/x
  3. Step 3: Cross multiply
    5,695.71x = 8,540.52 × 2,921.25
  4. Step 4: Simplify right side
    5,695.71x = 24,948,994.05
  5. Step 5: Solve for x
    x = 24,948,994.05/5,695.71
  6. Step 6: Final answer
    x = 4,380.31

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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.