Home / 4,086.68-6,125.62-1,618.07

Finding the Fourth Proportional to 4,086.68, 6,125.62 and 1,618.07

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Solution

The fourth proportional to 4,086.68, 6,125.62 and 1,618.07 is: 2,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.68 : 6,125.62 = 1,618.07 : x
  2. Step 2: Convert to fraction form
    4,086.68/6,125.62 = 1,618.07/x
  3. Step 3: Cross multiply
    4,086.68x = 6,125.62 × 1,618.07
  4. Step 4: Simplify right side
    4,086.68x = 9,911,681.95
  5. Step 5: Solve for x
    x = 9,911,681.95/4,086.68
  6. Step 6: Final answer
    x = 2,425.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.