Home / 5,157.88-7,117.92-3,032.84

Finding the Fourth Proportional to 5,157.88, 7,117.92 and 3,032.84

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Solution

The fourth proportional to 5,157.88, 7,117.92 and 3,032.84 is: 4,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.88 : 7,117.92 = 3,032.84 : x
  2. Step 2: Convert to fraction form
    5,157.88/7,117.92 = 3,032.84/x
  3. Step 3: Cross multiply
    5,157.88x = 7,117.92 × 3,032.84
  4. Step 4: Simplify right side
    5,157.88x = 21,587,512.49
  5. Step 5: Solve for x
    x = 21,587,512.49/5,157.88
  6. Step 6: Final answer
    x = 4,185.35

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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.