Home / 6,213.80-8,575.08-3,381.22

Finding the Fourth Proportional to 6,213.80, 8,575.08 and 3,381.22

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Solution

The fourth proportional to 6,213.80, 8,575.08 and 3,381.22 is: 4,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.80 : 8,575.08 = 3,381.22 : x
  2. Step 2: Convert to fraction form
    6,213.80/8,575.08 = 3,381.22/x
  3. Step 3: Cross multiply
    6,213.80x = 8,575.08 × 3,381.22
  4. Step 4: Simplify right side
    6,213.80x = 28,994,232.00
  5. Step 5: Solve for x
    x = 28,994,232.00/6,213.80
  6. Step 6: Final answer
    x = 4,666.10

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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.