Home / 5,214.63-7,814.09-3,132.35

Finding the Fourth Proportional to 5,214.63, 7,814.09 and 3,132.35

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Solution

The fourth proportional to 5,214.63, 7,814.09 and 3,132.35 is: 4,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.63 : 7,814.09 = 3,132.35 : x
  2. Step 2: Convert to fraction form
    5,214.63/7,814.09 = 3,132.35/x
  3. Step 3: Cross multiply
    5,214.63x = 7,814.09 × 3,132.35
  4. Step 4: Simplify right side
    5,214.63x = 24,476,433.57
  5. Step 5: Solve for x
    x = 24,476,433.57/5,214.63
  6. Step 6: Final answer
    x = 4,693.80

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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.