Home / 5,227.90-7,204.56-5,131.84

Finding the Fourth Proportional to 5,227.90, 7,204.56 and 5,131.84

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Solution

The fourth proportional to 5,227.90, 7,204.56 and 5,131.84 is: 7,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.90 : 7,204.56 = 5,131.84 : x
  2. Step 2: Convert to fraction form
    5,227.90/7,204.56 = 5,131.84/x
  3. Step 3: Cross multiply
    5,227.90x = 7,204.56 × 5,131.84
  4. Step 4: Simplify right side
    5,227.90x = 36,972,649.19
  5. Step 5: Solve for x
    x = 36,972,649.19/5,227.90
  6. Step 6: Final answer
    x = 7,072.18

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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.