Home / 5,157.73-7,117.83-3,032.88

Finding the Fourth Proportional to 5,157.73, 7,117.83 and 3,032.88

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Solution

The fourth proportional to 5,157.73, 7,117.83 and 3,032.88 is: 4,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.73 : 7,117.83 = 3,032.88 : x
  2. Step 2: Convert to fraction form
    5,157.73/7,117.83 = 3,032.88/x
  3. Step 3: Cross multiply
    5,157.73x = 7,117.83 × 3,032.88
  4. Step 4: Simplify right side
    5,157.73x = 21,587,524.25
  5. Step 5: Solve for x
    x = 21,587,524.25/5,157.73
  6. Step 6: Final answer
    x = 4,185.47

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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.