Home / 5,228.51-7,205.36-5,132.43

Finding the Fourth Proportional to 5,228.51, 7,205.36 and 5,132.43

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Solution

The fourth proportional to 5,228.51, 7,205.36 and 5,132.43 is: 7,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.51 : 7,205.36 = 5,132.43 : x
  2. Step 2: Convert to fraction form
    5,228.51/7,205.36 = 5,132.43/x
  3. Step 3: Cross multiply
    5,228.51x = 7,205.36 × 5,132.43
  4. Step 4: Simplify right side
    5,228.51x = 36,981,018.66
  5. Step 5: Solve for x
    x = 36,981,018.66/5,228.51
  6. Step 6: Final answer
    x = 7,072.96

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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.