Home / 5,949.47-8,211.29-3,431.13

Finding the Fourth Proportional to 5,949.47, 8,211.29 and 3,431.13

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Solution

The fourth proportional to 5,949.47, 8,211.29 and 3,431.13 is: 4,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,949.47 : 8,211.29 = 3,431.13 : x
  2. Step 2: Convert to fraction form
    5,949.47/8,211.29 = 3,431.13/x
  3. Step 3: Cross multiply
    5,949.47x = 8,211.29 × 3,431.13
  4. Step 4: Simplify right side
    5,949.47x = 28,174,003.46
  5. Step 5: Solve for x
    x = 28,174,003.46/5,949.47
  6. Step 6: Final answer
    x = 4,735.55

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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.