Home / 7,535.74-10,399.94-4,179.61

Finding the Fourth Proportional to 7,535.74, 10,399.94 and 4,179.61

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Solution

The fourth proportional to 7,535.74, 10,399.94 and 4,179.61 is: 5,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.74 : 10,399.94 = 4,179.61 : x
  2. Step 2: Convert to fraction form
    7,535.74/10,399.94 = 4,179.61/x
  3. Step 3: Cross multiply
    7,535.74x = 10,399.94 × 4,179.61
  4. Step 4: Simplify right side
    7,535.74x = 43,467,693.22
  5. Step 5: Solve for x
    x = 43,467,693.22/7,535.74
  6. Step 6: Final answer
    x = 5,768.21

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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.