Home / 5,247.14-7,240.30-3,009.11

Finding the Fourth Proportional to 5,247.14, 7,240.30 and 3,009.11

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Solution

The fourth proportional to 5,247.14, 7,240.30 and 3,009.11 is: 4,152.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.14 : 7,240.30 = 3,009.11 : x
  2. Step 2: Convert to fraction form
    5,247.14/7,240.30 = 3,009.11/x
  3. Step 3: Cross multiply
    5,247.14x = 7,240.30 × 3,009.11
  4. Step 4: Simplify right side
    5,247.14x = 21,786,859.13
  5. Step 5: Solve for x
    x = 21,786,859.13/5,247.14
  6. Step 6: Final answer
    x = 4,152.14

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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.