Home / 7,371.72-10,175.22-5,879.16

Finding the Fourth Proportional to 7,371.72, 10,175.22 and 5,879.16

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Solution

The fourth proportional to 7,371.72, 10,175.22 and 5,879.16 is: 8,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.72 : 10,175.22 = 5,879.16 : x
  2. Step 2: Convert to fraction form
    7,371.72/10,175.22 = 5,879.16/x
  3. Step 3: Cross multiply
    7,371.72x = 10,175.22 × 5,879.16
  4. Step 4: Simplify right side
    7,371.72x = 59,821,746.42
  5. Step 5: Solve for x
    x = 59,821,746.42/7,371.72
  6. Step 6: Final answer
    x = 8,115.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.