Home / 6,658.20-9,188.70-3,674.04

Finding the Fourth Proportional to 6,658.20, 9,188.70 and 3,674.04

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Solution

The fourth proportional to 6,658.20, 9,188.70 and 3,674.04 is: 5,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.20 : 9,188.70 = 3,674.04 : x
  2. Step 2: Convert to fraction form
    6,658.20/9,188.70 = 3,674.04/x
  3. Step 3: Cross multiply
    6,658.20x = 9,188.70 × 3,674.04
  4. Step 4: Simplify right side
    6,658.20x = 33,759,651.35
  5. Step 5: Solve for x
    x = 33,759,651.35/6,658.20
  6. Step 6: Final answer
    x = 5,070.39

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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.