Home / 5,440.14-7,509.68-3,674.13

Finding the Fourth Proportional to 5,440.14, 7,509.68 and 3,674.13

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Solution

The fourth proportional to 5,440.14, 7,509.68 and 3,674.13 is: 5,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.14 : 7,509.68 = 3,674.13 : x
  2. Step 2: Convert to fraction form
    5,440.14/7,509.68 = 3,674.13/x
  3. Step 3: Cross multiply
    5,440.14x = 7,509.68 × 3,674.13
  4. Step 4: Simplify right side
    5,440.14x = 27,591,584.81
  5. Step 5: Solve for x
    x = 27,591,584.81/5,440.14
  6. Step 6: Final answer
    x = 5,071.86

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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.