Home / 7,400.75-11,106.61-3,505.17

Finding the Fourth Proportional to 7,400.75, 11,106.61 and 3,505.17

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Solution

The fourth proportional to 7,400.75, 11,106.61 and 3,505.17 is: 5,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.75 : 11,106.61 = 3,505.17 : x
  2. Step 2: Convert to fraction form
    7,400.75/11,106.61 = 3,505.17/x
  3. Step 3: Cross multiply
    7,400.75x = 11,106.61 × 3,505.17
  4. Step 4: Simplify right side
    7,400.75x = 38,930,510.88
  5. Step 5: Solve for x
    x = 38,930,510.88/7,400.75
  6. Step 6: Final answer
    x = 5,260.35

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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.