Home / 10,548.38-15,823.47-2,757.20

Finding the Fourth Proportional to 10,548.38, 15,823.47 and 2,757.20

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Solution

The fourth proportional to 10,548.38, 15,823.47 and 2,757.20 is: 4,136.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548.38 : 15,823.47 = 2,757.20 : x
  2. Step 2: Convert to fraction form
    10,548.38/15,823.47 = 2,757.20/x
  3. Step 3: Cross multiply
    10,548.38x = 15,823.47 × 2,757.20
  4. Step 4: Simplify right side
    10,548.38x = 43,628,392.37
  5. Step 5: Solve for x
    x = 43,628,392.37/10,548.38
  6. Step 6: Final answer
    x = 4,136.03

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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.