Home / 5,042.72-7,563.48-1,345.22

Finding the Fourth Proportional to 5,042.72, 7,563.48 and 1,345.22

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Solution

The fourth proportional to 5,042.72, 7,563.48 and 1,345.22 is: 2,017.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.72 : 7,563.48 = 1,345.22 : x
  2. Step 2: Convert to fraction form
    5,042.72/7,563.48 = 1,345.22/x
  3. Step 3: Cross multiply
    5,042.72x = 7,563.48 × 1,345.22
  4. Step 4: Simplify right side
    5,042.72x = 10,174,544.57
  5. Step 5: Solve for x
    x = 10,174,544.57/5,042.72
  6. Step 6: Final answer
    x = 2,017.67

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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.