Home / 7,207.42-10,812.95-2,013.29

Finding the Fourth Proportional to 7,207.42, 10,812.95 and 2,013.29

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Solution

The fourth proportional to 7,207.42, 10,812.95 and 2,013.29 is: 3,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.42 : 10,812.95 = 2,013.29 : x
  2. Step 2: Convert to fraction form
    7,207.42/10,812.95 = 2,013.29/x
  3. Step 3: Cross multiply
    7,207.42x = 10,812.95 × 2,013.29
  4. Step 4: Simplify right side
    7,207.42x = 21,769,635.11
  5. Step 5: Solve for x
    x = 21,769,635.11/7,207.42
  6. Step 6: Final answer
    x = 3,020.45

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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.