Home / 5,186.16-7,153.98-3,195.30

Finding the Fourth Proportional to 5,186.16, 7,153.98 and 3,195.30

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Solution

The fourth proportional to 5,186.16, 7,153.98 and 3,195.30 is: 4,407.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.16 : 7,153.98 = 3,195.30 : x
  2. Step 2: Convert to fraction form
    5,186.16/7,153.98 = 3,195.30/x
  3. Step 3: Cross multiply
    5,186.16x = 7,153.98 × 3,195.30
  4. Step 4: Simplify right side
    5,186.16x = 22,859,112.29
  5. Step 5: Solve for x
    x = 22,859,112.29/5,186.16
  6. Step 6: Final answer
    x = 4,407.71

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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.