Home / 4,945.52-7,420.83-2,174.13

Finding the Fourth Proportional to 4,945.52, 7,420.83 and 2,174.13

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Solution

The fourth proportional to 4,945.52, 7,420.83 and 2,174.13 is: 3,262.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.52 : 7,420.83 = 2,174.13 : x
  2. Step 2: Convert to fraction form
    4,945.52/7,420.83 = 2,174.13/x
  3. Step 3: Cross multiply
    4,945.52x = 7,420.83 × 2,174.13
  4. Step 4: Simplify right side
    4,945.52x = 16,133,849.13
  5. Step 5: Solve for x
    x = 16,133,849.13/4,945.52
  6. Step 6: Final answer
    x = 3,262.32

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1.5x scale

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.