Home / 5,092.21-7,638.45-1,629.46

Finding the Fourth Proportional to 5,092.21, 7,638.45 and 1,629.46

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Solution

The fourth proportional to 5,092.21, 7,638.45 and 1,629.46 is: 2,444.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.21 : 7,638.45 = 1,629.46 : x
  2. Step 2: Convert to fraction form
    5,092.21/7,638.45 = 1,629.46/x
  3. Step 3: Cross multiply
    5,092.21x = 7,638.45 × 1,629.46
  4. Step 4: Simplify right side
    5,092.21x = 12,446,548.74
  5. Step 5: Solve for x
    x = 12,446,548.74/5,092.21
  6. Step 6: Final answer
    x = 2,444.23

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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.