Home / 5,190.13-7,162.34-2,952.00

Finding the Fourth Proportional to 5,190.13, 7,162.34 and 2,952.00

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Solution

The fourth proportional to 5,190.13, 7,162.34 and 2,952.00 is: 4,073.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.13 : 7,162.34 = 2,952.00 : x
  2. Step 2: Convert to fraction form
    5,190.13/7,162.34 = 2,952.00/x
  3. Step 3: Cross multiply
    5,190.13x = 7,162.34 × 2,952.00
  4. Step 4: Simplify right side
    5,190.13x = 21,143,245.59
  5. Step 5: Solve for x
    x = 21,143,245.59/5,190.13
  6. Step 6: Final answer
    x = 4,073.74

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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.