Home / 5,116.54-7,057.05-3,125.46

Finding the Fourth Proportional to 5,116.54, 7,057.05 and 3,125.46

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Solution

The fourth proportional to 5,116.54, 7,057.05 and 3,125.46 is: 4,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.54 : 7,057.05 = 3,125.46 : x
  2. Step 2: Convert to fraction form
    5,116.54/7,057.05 = 3,125.46/x
  3. Step 3: Cross multiply
    5,116.54x = 7,057.05 × 3,125.46
  4. Step 4: Simplify right side
    5,116.54x = 22,056,527.49
  5. Step 5: Solve for x
    x = 22,056,527.49/5,116.54
  6. Step 6: Final answer
    x = 4,310.83

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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.