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Finding the Fourth Proportional to 5,695.88, 7,860.99 and 3,458.33

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Solution

The fourth proportional to 5,695.88, 7,860.99 and 3,458.33 is: 4,772.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.88 : 7,860.99 = 3,458.33 : x
  2. Step 2: Convert to fraction form
    5,695.88/7,860.99 = 3,458.33/x
  3. Step 3: Cross multiply
    5,695.88x = 7,860.99 × 3,458.33
  4. Step 4: Simplify right side
    5,695.88x = 27,185,897.55
  5. Step 5: Solve for x
    x = 27,185,897.55/5,695.88
  6. Step 6: Final answer
    x = 4,772.91

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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.