Home / 7,713.23-11,568.02-3,328.29

Finding the Fourth Proportional to 7,713.23, 11,568.02 and 3,328.29

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Solution

The fourth proportional to 7,713.23, 11,568.02 and 3,328.29 is: 4,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.23 : 11,568.02 = 3,328.29 : x
  2. Step 2: Convert to fraction form
    7,713.23/11,568.02 = 3,328.29/x
  3. Step 3: Cross multiply
    7,713.23x = 11,568.02 × 3,328.29
  4. Step 4: Simplify right side
    7,713.23x = 38,501,708.64
  5. Step 5: Solve for x
    x = 38,501,708.64/7,713.23
  6. Step 6: Final answer
    x = 4,991.65

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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.