Home / 3,967.35-5,475.59-3,021.63

Finding the Fourth Proportional to 3,967.35, 5,475.59 and 3,021.63

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Solution

The fourth proportional to 3,967.35, 5,475.59 and 3,021.63 is: 4,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.35 : 5,475.59 = 3,021.63 : x
  2. Step 2: Convert to fraction form
    3,967.35/5,475.59 = 3,021.63/x
  3. Step 3: Cross multiply
    3,967.35x = 5,475.59 × 3,021.63
  4. Step 4: Simplify right side
    3,967.35x = 16,545,207.01
  5. Step 5: Solve for x
    x = 16,545,207.01/3,967.35
  6. Step 6: Final answer
    x = 4,170.34

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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.