Home / 5,214.52-7,810.38-3,257.14

Finding the Fourth Proportional to 5,214.52, 7,810.38 and 3,257.14

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Solution

The fourth proportional to 5,214.52, 7,810.38 and 3,257.14 is: 4,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.52 : 7,810.38 = 3,257.14 : x
  2. Step 2: Convert to fraction form
    5,214.52/7,810.38 = 3,257.14/x
  3. Step 3: Cross multiply
    5,214.52x = 7,810.38 × 3,257.14
  4. Step 4: Simplify right side
    5,214.52x = 25,439,501.11
  5. Step 5: Solve for x
    x = 25,439,501.11/5,214.52
  6. Step 6: Final answer
    x = 4,878.59

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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.