Home / 5,326.46-7,991.31-2,403.98

Finding the Fourth Proportional to 5,326.46, 7,991.31 and 2,403.98

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Solution

The fourth proportional to 5,326.46, 7,991.31 and 2,403.98 is: 3,606.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.46 : 7,991.31 = 2,403.98 : x
  2. Step 2: Convert to fraction form
    5,326.46/7,991.31 = 2,403.98/x
  3. Step 3: Cross multiply
    5,326.46x = 7,991.31 × 2,403.98
  4. Step 4: Simplify right side
    5,326.46x = 19,210,949.41
  5. Step 5: Solve for x
    x = 19,210,949.41/5,326.46
  6. Step 6: Final answer
    x = 3,606.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.