Home / 4,440.73-6,128.96-4,243.90

Finding the Fourth Proportional to 4,440.73, 6,128.96 and 4,243.90

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Solution

The fourth proportional to 4,440.73, 6,128.96 and 4,243.90 is: 5,857.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.73 : 6,128.96 = 4,243.90 : x
  2. Step 2: Convert to fraction form
    4,440.73/6,128.96 = 4,243.90/x
  3. Step 3: Cross multiply
    4,440.73x = 6,128.96 × 4,243.90
  4. Step 4: Simplify right side
    4,440.73x = 26,010,672.12
  5. Step 5: Solve for x
    x = 26,010,672.12/4,440.73
  6. Step 6: Final answer
    x = 5,857.30

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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.