Home / 5,921.93-8,170.19-3,531.29

Finding the Fourth Proportional to 5,921.93, 8,170.19 and 3,531.29

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Solution

The fourth proportional to 5,921.93, 8,170.19 and 3,531.29 is: 4,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.93 : 8,170.19 = 3,531.29 : x
  2. Step 2: Convert to fraction form
    5,921.93/8,170.19 = 3,531.29/x
  3. Step 3: Cross multiply
    5,921.93x = 8,170.19 × 3,531.29
  4. Step 4: Simplify right side
    5,921.93x = 28,851,292.59
  5. Step 5: Solve for x
    x = 28,851,292.59/5,921.93
  6. Step 6: Final answer
    x = 4,871.94

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1.5x scale

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.