Home / 5,052.28-7,575.99-2,128.99

Finding the Fourth Proportional to 5,052.28, 7,575.99 and 2,128.99

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Solution

The fourth proportional to 5,052.28, 7,575.99 and 2,128.99 is: 3,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.28 : 7,575.99 = 2,128.99 : x
  2. Step 2: Convert to fraction form
    5,052.28/7,575.99 = 2,128.99/x
  3. Step 3: Cross multiply
    5,052.28x = 7,575.99 × 2,128.99
  4. Step 4: Simplify right side
    5,052.28x = 16,129,206.95
  5. Step 5: Solve for x
    x = 16,129,206.95/5,052.28
  6. Step 6: Final answer
    x = 3,192.46

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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.