Home / 5,238.13-7,226.99-2,999.59

Finding the Fourth Proportional to 5,238.13, 7,226.99 and 2,999.59

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Solution

The fourth proportional to 5,238.13, 7,226.99 and 2,999.59 is: 4,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.13 : 7,226.99 = 2,999.59 : x
  2. Step 2: Convert to fraction form
    5,238.13/7,226.99 = 2,999.59/x
  3. Step 3: Cross multiply
    5,238.13x = 7,226.99 × 2,999.59
  4. Step 4: Simplify right side
    5,238.13x = 21,678,006.93
  5. Step 5: Solve for x
    x = 21,678,006.93/5,238.13
  6. Step 6: Final answer
    x = 4,138.50

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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.