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Finding the Fourth Proportional to 3,402.99, 4,695.99 and 1,910.98

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Solution

The fourth proportional to 3,402.99, 4,695.99 and 1,910.98 is: 2,637.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.99 : 4,695.99 = 1,910.98 : x
  2. Step 2: Convert to fraction form
    3,402.99/4,695.99 = 1,910.98/x
  3. Step 3: Cross multiply
    3,402.99x = 4,695.99 × 1,910.98
  4. Step 4: Simplify right side
    3,402.99x = 8,973,942.97
  5. Step 5: Solve for x
    x = 8,973,942.97/3,402.99
  6. Step 6: Final answer
    x = 2,637.08

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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.