Home / 3,522.28-4,860.90-2,125

Finding the Fourth Proportional to 3,522.28, 4,860.90 and 2,125

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Solution

The fourth proportional to 3,522.28, 4,860.90 and 2,125 is: 2,932.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.28 : 4,860.90 = 2,125 : x
  2. Step 2: Convert to fraction form
    3,522.28/4,860.90 = 2,125/x
  3. Step 3: Cross multiply
    3,522.28x = 4,860.90 × 2,125
  4. Step 4: Simplify right side
    3,522.28x = 10,329,412.50
  5. Step 5: Solve for x
    x = 10,329,412.50/3,522.28
  6. Step 6: Final answer
    x = 2,932.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.