Home / 7,358.60-11,029.26-3,659.72

Finding the Fourth Proportional to 7,358.60, 11,029.26 and 3,659.72

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Solution

The fourth proportional to 7,358.60, 11,029.26 and 3,659.72 is: 5,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.60 : 11,029.26 = 3,659.72 : x
  2. Step 2: Convert to fraction form
    7,358.60/11,029.26 = 3,659.72/x
  3. Step 3: Cross multiply
    7,358.60x = 11,029.26 × 3,659.72
  4. Step 4: Simplify right side
    7,358.60x = 40,364,003.41
  5. Step 5: Solve for x
    x = 40,364,003.41/7,358.60
  6. Step 6: Final answer
    x = 5,485.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.