Home / 5,327.31-7,985.55-2,549.91

Finding the Fourth Proportional to 5,327.31, 7,985.55 and 2,549.91

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Solution

The fourth proportional to 5,327.31, 7,985.55 and 2,549.91 is: 3,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.31 : 7,985.55 = 2,549.91 : x
  2. Step 2: Convert to fraction form
    5,327.31/7,985.55 = 2,549.91/x
  3. Step 3: Cross multiply
    5,327.31x = 7,985.55 × 2,549.91
  4. Step 4: Simplify right side
    5,327.31x = 20,362,433.80
  5. Step 5: Solve for x
    x = 20,362,433.80/5,327.31
  6. Step 6: Final answer
    x = 3,822.27

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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.