Home / 4,188.25-5,779.79-2,299.87

Finding the Fourth Proportional to 4,188.25, 5,779.79 and 2,299.87

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Solution

The fourth proportional to 4,188.25, 5,779.79 and 2,299.87 is: 3,173.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.25 : 5,779.79 = 2,299.87 : x
  2. Step 2: Convert to fraction form
    4,188.25/5,779.79 = 2,299.87/x
  3. Step 3: Cross multiply
    4,188.25x = 5,779.79 × 2,299.87
  4. Step 4: Simplify right side
    4,188.25x = 13,292,765.63
  5. Step 5: Solve for x
    x = 13,292,765.63/4,188.25
  6. Step 6: Final answer
    x = 3,173.82

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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.