Home / 10,549.45-15,825.08-2,758.25

Finding the Fourth Proportional to 10,549.45, 15,825.08 and 2,758.25

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Solution

The fourth proportional to 10,549.45, 15,825.08 and 2,758.25 is: 4,137.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.45 : 15,825.08 = 2,758.25 : x
  2. Step 2: Convert to fraction form
    10,549.45/15,825.08 = 2,758.25/x
  3. Step 3: Cross multiply
    10,549.45x = 15,825.08 × 2,758.25
  4. Step 4: Simplify right side
    10,549.45x = 43,649,526.91
  5. Step 5: Solve for x
    x = 43,649,526.91/10,549.45
  6. Step 6: Final answer
    x = 4,137.61

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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.