Home / 5,260.70-7,259.51-3,020.99

Finding the Fourth Proportional to 5,260.70, 7,259.51 and 3,020.99

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Solution

The fourth proportional to 5,260.70, 7,259.51 and 3,020.99 is: 4,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.70 : 7,259.51 = 3,020.99 : x
  2. Step 2: Convert to fraction form
    5,260.70/7,259.51 = 3,020.99/x
  3. Step 3: Cross multiply
    5,260.70x = 7,259.51 × 3,020.99
  4. Step 4: Simplify right side
    5,260.70x = 21,930,932.82
  5. Step 5: Solve for x
    x = 21,930,932.82/5,260.70
  6. Step 6: Final answer
    x = 4,168.83

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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.