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Finding the Fourth Proportional to 2,092.79, 2,888.13 and 1,253.63

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Solution

The fourth proportional to 2,092.79, 2,888.13 and 1,253.63 is: 1,730.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.79 : 2,888.13 = 1,253.63 : x
  2. Step 2: Convert to fraction form
    2,092.79/2,888.13 = 1,253.63/x
  3. Step 3: Cross multiply
    2,092.79x = 2,888.13 × 1,253.63
  4. Step 4: Simplify right side
    2,092.79x = 3,620,636.67
  5. Step 5: Solve for x
    x = 3,620,636.67/2,092.79
  6. Step 6: Final answer
    x = 1,730.06

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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.