Home / 5,187.98-7,160.11-3,299.75

Finding the Fourth Proportional to 5,187.98, 7,160.11 and 3,299.75

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Solution

The fourth proportional to 5,187.98, 7,160.11 and 3,299.75 is: 4,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.98 : 7,160.11 = 3,299.75 : x
  2. Step 2: Convert to fraction form
    5,187.98/7,160.11 = 3,299.75/x
  3. Step 3: Cross multiply
    5,187.98x = 7,160.11 × 3,299.75
  4. Step 4: Simplify right side
    5,187.98x = 23,626,572.97
  5. Step 5: Solve for x
    x = 23,626,572.97/5,187.98
  6. Step 6: Final answer
    x = 4,554.10

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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.