Home / 5,072.56-7,609.35-1,955.17

Finding the Fourth Proportional to 5,072.56, 7,609.35 and 1,955.17

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Solution

The fourth proportional to 5,072.56, 7,609.35 and 1,955.17 is: 2,932.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.56 : 7,609.35 = 1,955.17 : x
  2. Step 2: Convert to fraction form
    5,072.56/7,609.35 = 1,955.17/x
  3. Step 3: Cross multiply
    5,072.56x = 7,609.35 × 1,955.17
  4. Step 4: Simplify right side
    5,072.56x = 14,877,589.68
  5. Step 5: Solve for x
    x = 14,877,589.68/5,072.56
  6. Step 6: Final answer
    x = 2,932.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.