Home / 5,191.56-7,164.90-3,068.15

Finding the Fourth Proportional to 5,191.56, 7,164.90 and 3,068.15

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Solution

The fourth proportional to 5,191.56, 7,164.90 and 3,068.15 is: 4,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.56 : 7,164.90 = 3,068.15 : x
  2. Step 2: Convert to fraction form
    5,191.56/7,164.90 = 3,068.15/x
  3. Step 3: Cross multiply
    5,191.56x = 7,164.90 × 3,068.15
  4. Step 4: Simplify right side
    5,191.56x = 21,982,952.11
  5. Step 5: Solve for x
    x = 21,982,952.11/5,191.56
  6. Step 6: Final answer
    x = 4,234.36

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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.