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Finding the Fourth Proportional to 4,897.95, 6,759.12 and 2,659.87

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Solution

The fourth proportional to 4,897.95, 6,759.12 and 2,659.87 is: 3,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,897.95 : 6,759.12 = 2,659.87 : x
  2. Step 2: Convert to fraction form
    4,897.95/6,759.12 = 2,659.87/x
  3. Step 3: Cross multiply
    4,897.95x = 6,759.12 × 2,659.87
  4. Step 4: Simplify right side
    4,897.95x = 17,978,380.51
  5. Step 5: Solve for x
    x = 17,978,380.51/4,897.95
  6. Step 6: Final answer
    x = 3,670.59

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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.