Home / 7,242.20-10,863.19-2,048.07

Finding the Fourth Proportional to 7,242.20, 10,863.19 and 2,048.07

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Solution

The fourth proportional to 7,242.20, 10,863.19 and 2,048.07 is: 3,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.20 : 10,863.19 = 2,048.07 : x
  2. Step 2: Convert to fraction form
    7,242.20/10,863.19 = 2,048.07/x
  3. Step 3: Cross multiply
    7,242.20x = 10,863.19 × 2,048.07
  4. Step 4: Simplify right side
    7,242.20x = 22,248,576.10
  5. Step 5: Solve for x
    x = 22,248,576.10/7,242.20
  6. Step 6: Final answer
    x = 3,072.08

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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.