Home / 5,538.99-7,640.37-3,299.34

Finding the Fourth Proportional to 5,538.99, 7,640.37 and 3,299.34

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Solution

The fourth proportional to 5,538.99, 7,640.37 and 3,299.34 is: 4,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.99 : 7,640.37 = 3,299.34 : x
  2. Step 2: Convert to fraction form
    5,538.99/7,640.37 = 3,299.34/x
  3. Step 3: Cross multiply
    5,538.99x = 7,640.37 × 3,299.34
  4. Step 4: Simplify right side
    5,538.99x = 25,208,178.36
  5. Step 5: Solve for x
    x = 25,208,178.36/5,538.99
  6. Step 6: Final answer
    x = 4,551.04

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Double scale
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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.