Home / 5,125.42-7,073.34-3,135.35

Finding the Fourth Proportional to 5,125.42, 7,073.34 and 3,135.35

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Solution

The fourth proportional to 5,125.42, 7,073.34 and 3,135.35 is: 4,326.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.42 : 7,073.34 = 3,135.35 : x
  2. Step 2: Convert to fraction form
    5,125.42/7,073.34 = 3,135.35/x
  3. Step 3: Cross multiply
    5,125.42x = 7,073.34 × 3,135.35
  4. Step 4: Simplify right side
    5,125.42x = 22,177,380.89
  5. Step 5: Solve for x
    x = 22,177,380.89/5,125.42
  6. Step 6: Final answer
    x = 4,326.94

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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.