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Finding the Fourth Proportional to 4,897.79, 6,758.77 and 2,659.62

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Solution

The fourth proportional to 4,897.79, 6,758.77 and 2,659.62 is: 3,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,897.79 : 6,758.77 = 2,659.62 : x
  2. Step 2: Convert to fraction form
    4,897.79/6,758.77 = 2,659.62/x
  3. Step 3: Cross multiply
    4,897.79x = 6,758.77 × 2,659.62
  4. Step 4: Simplify right side
    4,897.79x = 17,975,753.22
  5. Step 5: Solve for x
    x = 17,975,753.22/4,897.79
  6. Step 6: Final answer
    x = 3,670.17

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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.