Home / 7,440.31-10,267.30-4,083.06

Finding the Fourth Proportional to 7,440.31, 10,267.30 and 4,083.06

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Solution

The fourth proportional to 7,440.31, 10,267.30 and 4,083.06 is: 5,634.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.31 : 10,267.30 = 4,083.06 : x
  2. Step 2: Convert to fraction form
    7,440.31/10,267.30 = 4,083.06/x
  3. Step 3: Cross multiply
    7,440.31x = 10,267.30 × 4,083.06
  4. Step 4: Simplify right side
    7,440.31x = 41,922,001.94
  5. Step 5: Solve for x
    x = 41,922,001.94/7,440.31
  6. Step 6: Final answer
    x = 5,634.44

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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.