Home / 5,342.55-7,999.82-3,488.46

Finding the Fourth Proportional to 5,342.55, 7,999.82 and 3,488.46

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Solution

The fourth proportional to 5,342.55, 7,999.82 and 3,488.46 is: 5,223.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.55 : 7,999.82 = 3,488.46 : x
  2. Step 2: Convert to fraction form
    5,342.55/7,999.82 = 3,488.46/x
  3. Step 3: Cross multiply
    5,342.55x = 7,999.82 × 3,488.46
  4. Step 4: Simplify right side
    5,342.55x = 27,907,012.08
  5. Step 5: Solve for x
    x = 27,907,012.08/5,342.55
  6. Step 6: Final answer
    x = 5,223.54

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1.5x scale

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.