Home / 5,363.21-7,400.79-3,005.03

Finding the Fourth Proportional to 5,363.21, 7,400.79 and 3,005.03

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Solution

The fourth proportional to 5,363.21, 7,400.79 and 3,005.03 is: 4,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.21 : 7,400.79 = 3,005.03 : x
  2. Step 2: Convert to fraction form
    5,363.21/7,400.79 = 3,005.03/x
  3. Step 3: Cross multiply
    5,363.21x = 7,400.79 × 3,005.03
  4. Step 4: Simplify right side
    5,363.21x = 22,239,558.97
  5. Step 5: Solve for x
    x = 22,239,558.97/5,363.21
  6. Step 6: Final answer
    x = 4,146.69

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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.