Home / 5,133.78-7,084.73-3,010.70

Finding the Fourth Proportional to 5,133.78, 7,084.73 and 3,010.70

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Solution

The fourth proportional to 5,133.78, 7,084.73 and 3,010.70 is: 4,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.78 : 7,084.73 = 3,010.70 : x
  2. Step 2: Convert to fraction form
    5,133.78/7,084.73 = 3,010.70/x
  3. Step 3: Cross multiply
    5,133.78x = 7,084.73 × 3,010.70
  4. Step 4: Simplify right side
    5,133.78x = 21,330,021.85
  5. Step 5: Solve for x
    x = 21,330,021.85/5,133.78
  6. Step 6: Final answer
    x = 4,154.84

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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.