Home / 5,214.38-7,195.80-2,824.36

Finding the Fourth Proportional to 5,214.38, 7,195.80 and 2,824.36

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Solution

The fourth proportional to 5,214.38, 7,195.80 and 2,824.36 is: 3,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.38 : 7,195.80 = 2,824.36 : x
  2. Step 2: Convert to fraction form
    5,214.38/7,195.80 = 2,824.36/x
  3. Step 3: Cross multiply
    5,214.38x = 7,195.80 × 2,824.36
  4. Step 4: Simplify right side
    5,214.38x = 20,323,493.71
  5. Step 5: Solve for x
    x = 20,323,493.71/5,214.38
  6. Step 6: Final answer
    x = 3,897.59

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1.5x scale

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.