Home / 5,321.38-7,343.51-3,083.69

Finding the Fourth Proportional to 5,321.38, 7,343.51 and 3,083.69

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Solution

The fourth proportional to 5,321.38, 7,343.51 and 3,083.69 is: 4,255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.38 : 7,343.51 = 3,083.69 : x
  2. Step 2: Convert to fraction form
    5,321.38/7,343.51 = 3,083.69/x
  3. Step 3: Cross multiply
    5,321.38x = 7,343.51 × 3,083.69
  4. Step 4: Simplify right side
    5,321.38x = 22,645,079.34
  5. Step 5: Solve for x
    x = 22,645,079.34/5,321.38
  6. Step 6: Final answer
    x = 4,255.49

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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.