Home / 5,740.64-7,911.64-4,481.04

Finding the Fourth Proportional to 5,740.64, 7,911.64 and 4,481.04

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Solution

The fourth proportional to 5,740.64, 7,911.64 and 4,481.04 is: 6,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.64 : 7,911.64 = 4,481.04 : x
  2. Step 2: Convert to fraction form
    5,740.64/7,911.64 = 4,481.04/x
  3. Step 3: Cross multiply
    5,740.64x = 7,911.64 × 4,481.04
  4. Step 4: Simplify right side
    5,740.64x = 35,452,375.31
  5. Step 5: Solve for x
    x = 35,452,375.31/5,740.64
  6. Step 6: Final answer
    x = 6,175.68

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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.