Home / 5,704.86-7,872.70-3,467.45

Finding the Fourth Proportional to 5,704.86, 7,872.70 and 3,467.45

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Solution

The fourth proportional to 5,704.86, 7,872.70 and 3,467.45 is: 4,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.86 : 7,872.70 = 3,467.45 : x
  2. Step 2: Convert to fraction form
    5,704.86/7,872.70 = 3,467.45/x
  3. Step 3: Cross multiply
    5,704.86x = 7,872.70 × 3,467.45
  4. Step 4: Simplify right side
    5,704.86x = 27,298,193.62
  5. Step 5: Solve for x
    x = 27,298,193.62/5,704.86
  6. Step 6: Final answer
    x = 4,785.08

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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.