Home / 5,440.73-7,505.35-4,112.12

Finding the Fourth Proportional to 5,440.73, 7,505.35 and 4,112.12

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Solution

The fourth proportional to 5,440.73, 7,505.35 and 4,112.12 is: 5,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.73 : 7,505.35 = 4,112.12 : x
  2. Step 2: Convert to fraction form
    5,440.73/7,505.35 = 4,112.12/x
  3. Step 3: Cross multiply
    5,440.73x = 7,505.35 × 4,112.12
  4. Step 4: Simplify right side
    5,440.73x = 30,862,908.33
  5. Step 5: Solve for x
    x = 30,862,908.33/5,440.73
  6. Step 6: Final answer
    x = 5,672.57

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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.