Home / 5,190.06-7,782.09-3,548.59

Finding the Fourth Proportional to 5,190.06, 7,782.09 and 3,548.59

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Solution

The fourth proportional to 5,190.06, 7,782.09 and 3,548.59 is: 5,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.06 : 7,782.09 = 3,548.59 : x
  2. Step 2: Convert to fraction form
    5,190.06/7,782.09 = 3,548.59/x
  3. Step 3: Cross multiply
    5,190.06x = 7,782.09 × 3,548.59
  4. Step 4: Simplify right side
    5,190.06x = 27,615,446.75
  5. Step 5: Solve for x
    x = 27,615,446.75/5,190.06
  6. Step 6: Final answer
    x = 5,320.83

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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.