Home / 6,207.90-8,566.74-3,690.02

Finding the Fourth Proportional to 6,207.90, 8,566.74 and 3,690.02

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Solution

The fourth proportional to 6,207.90, 8,566.74 and 3,690.02 is: 5,092.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207.90 : 8,566.74 = 3,690.02 : x
  2. Step 2: Convert to fraction form
    6,207.90/8,566.74 = 3,690.02/x
  3. Step 3: Cross multiply
    6,207.90x = 8,566.74 × 3,690.02
  4. Step 4: Simplify right side
    6,207.90x = 31,611,441.93
  5. Step 5: Solve for x
    x = 31,611,441.93/6,207.90
  6. Step 6: Final answer
    x = 5,092.13

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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.