Home / 5,248.26-7,242.66-2,890.44

Finding the Fourth Proportional to 5,248.26, 7,242.66 and 2,890.44

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Solution

The fourth proportional to 5,248.26, 7,242.66 and 2,890.44 is: 3,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.26 : 7,242.66 = 2,890.44 : x
  2. Step 2: Convert to fraction form
    5,248.26/7,242.66 = 2,890.44/x
  3. Step 3: Cross multiply
    5,248.26x = 7,242.66 × 2,890.44
  4. Step 4: Simplify right side
    5,248.26x = 20,934,474.17
  5. Step 5: Solve for x
    x = 20,934,474.17/5,248.26
  6. Step 6: Final answer
    x = 3,988.84

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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.