Home / 5,310.70-7,330.10-3,632.78

Finding the Fourth Proportional to 5,310.70, 7,330.10 and 3,632.78

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Solution

The fourth proportional to 5,310.70, 7,330.10 and 3,632.78 is: 5,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.70 : 7,330.10 = 3,632.78 : x
  2. Step 2: Convert to fraction form
    5,310.70/7,330.10 = 3,632.78/x
  3. Step 3: Cross multiply
    5,310.70x = 7,330.10 × 3,632.78
  4. Step 4: Simplify right side
    5,310.70x = 26,628,640.84
  5. Step 5: Solve for x
    x = 26,628,640.84/5,310.70
  6. Step 6: Final answer
    x = 5,014.15

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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.