Home / 5,234.56-7,223.68-3,111.14

Finding the Fourth Proportional to 5,234.56, 7,223.68 and 3,111.14

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Solution

The fourth proportional to 5,234.56, 7,223.68 and 3,111.14 is: 4,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.56 : 7,223.68 = 3,111.14 : x
  2. Step 2: Convert to fraction form
    5,234.56/7,223.68 = 3,111.14/x
  3. Step 3: Cross multiply
    5,234.56x = 7,223.68 × 3,111.14
  4. Step 4: Simplify right side
    5,234.56x = 22,473,901.74
  5. Step 5: Solve for x
    x = 22,473,901.74/5,234.56
  6. Step 6: Final answer
    x = 4,293.37

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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.