Home / 7,214.46-10,822.11-2,020.32

Finding the Fourth Proportional to 7,214.46, 10,822.11 and 2,020.32

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Solution

The fourth proportional to 7,214.46, 10,822.11 and 2,020.32 is: 3,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.46 : 10,822.11 = 2,020.32 : x
  2. Step 2: Convert to fraction form
    7,214.46/10,822.11 = 2,020.32/x
  3. Step 3: Cross multiply
    7,214.46x = 10,822.11 × 2,020.32
  4. Step 4: Simplify right side
    7,214.46x = 21,864,125.28
  5. Step 5: Solve for x
    x = 21,864,125.28/7,214.46
  6. Step 6: Final answer
    x = 3,030.60

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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.