Home / 7,269.36-10,905.48-2,652.72

Finding the Fourth Proportional to 7,269.36, 10,905.48 and 2,652.72

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Solution

The fourth proportional to 7,269.36, 10,905.48 and 2,652.72 is: 3,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.36 : 10,905.48 = 2,652.72 : x
  2. Step 2: Convert to fraction form
    7,269.36/10,905.48 = 2,652.72/x
  3. Step 3: Cross multiply
    7,269.36x = 10,905.48 × 2,652.72
  4. Step 4: Simplify right side
    7,269.36x = 28,929,184.91
  5. Step 5: Solve for x
    x = 28,929,184.91/7,269.36
  6. Step 6: Final answer
    x = 3,979.61

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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.