Home / 6,619.11-9,929.57-2,235.39

Finding the Fourth Proportional to 6,619.11, 9,929.57 and 2,235.39

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Solution

The fourth proportional to 6,619.11, 9,929.57 and 2,235.39 is: 3,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.11 : 9,929.57 = 2,235.39 : x
  2. Step 2: Convert to fraction form
    6,619.11/9,929.57 = 2,235.39/x
  3. Step 3: Cross multiply
    6,619.11x = 9,929.57 × 2,235.39
  4. Step 4: Simplify right side
    6,619.11x = 22,196,461.48
  5. Step 5: Solve for x
    x = 22,196,461.48/6,619.11
  6. Step 6: Final answer
    x = 3,353.39

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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.