Home / 7,374.21-11,054.03-3,426.68

Finding the Fourth Proportional to 7,374.21, 11,054.03 and 3,426.68

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Solution

The fourth proportional to 7,374.21, 11,054.03 and 3,426.68 is: 5,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.21 : 11,054.03 = 3,426.68 : x
  2. Step 2: Convert to fraction form
    7,374.21/11,054.03 = 3,426.68/x
  3. Step 3: Cross multiply
    7,374.21x = 11,054.03 × 3,426.68
  4. Step 4: Simplify right side
    7,374.21x = 37,878,551.12
  5. Step 5: Solve for x
    x = 37,878,551.12/7,374.21
  6. Step 6: Final answer
    x = 5,136.62

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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.