Home / 7,039.11-9,713.99-3,852.71

Finding the Fourth Proportional to 7,039.11, 9,713.99 and 3,852.71

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Solution

The fourth proportional to 7,039.11, 9,713.99 and 3,852.71 is: 5,316.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.11 : 9,713.99 = 3,852.71 : x
  2. Step 2: Convert to fraction form
    7,039.11/9,713.99 = 3,852.71/x
  3. Step 3: Cross multiply
    7,039.11x = 9,713.99 × 3,852.71
  4. Step 4: Simplify right side
    7,039.11x = 37,425,118.58
  5. Step 5: Solve for x
    x = 37,425,118.58/7,039.11
  6. Step 6: Final answer
    x = 5,316.74

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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.