Home / 5,299.11-7,312.37-3,059.49

Finding the Fourth Proportional to 5,299.11, 7,312.37 and 3,059.49

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Solution

The fourth proportional to 5,299.11, 7,312.37 and 3,059.49 is: 4,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.11 : 7,312.37 = 3,059.49 : x
  2. Step 2: Convert to fraction form
    5,299.11/7,312.37 = 3,059.49/x
  3. Step 3: Cross multiply
    5,299.11x = 7,312.37 × 3,059.49
  4. Step 4: Simplify right side
    5,299.11x = 22,372,107.59
  5. Step 5: Solve for x
    x = 22,372,107.59/5,299.11
  6. Step 6: Final answer
    x = 4,221.86

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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.