Home / 2,492.34-3,738.51-2,171.58

Finding the Fourth Proportional to 2,492.34, 3,738.51 and 2,171.58

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Solution

The fourth proportional to 2,492.34, 3,738.51 and 2,171.58 is: 3,257.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.34 : 3,738.51 = 2,171.58 : x
  2. Step 2: Convert to fraction form
    2,492.34/3,738.51 = 2,171.58/x
  3. Step 3: Cross multiply
    2,492.34x = 3,738.51 × 2,171.58
  4. Step 4: Simplify right side
    2,492.34x = 8,118,473.55
  5. Step 5: Solve for x
    x = 8,118,473.55/2,492.34
  6. Step 6: Final answer
    x = 3,257.37

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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.