Home / 7,275.33-10,905.93-3,116.43

Finding the Fourth Proportional to 7,275.33, 10,905.93 and 3,116.43

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Solution

The fourth proportional to 7,275.33, 10,905.93 and 3,116.43 is: 4,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.33 : 10,905.93 = 3,116.43 : x
  2. Step 2: Convert to fraction form
    7,275.33/10,905.93 = 3,116.43/x
  3. Step 3: Cross multiply
    7,275.33x = 10,905.93 × 3,116.43
  4. Step 4: Simplify right side
    7,275.33x = 33,987,567.43
  5. Step 5: Solve for x
    x = 33,987,567.43/7,275.33
  6. Step 6: Final answer
    x = 4,671.62

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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.