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Finding the Fourth Proportional to 2,897.42, 4,346.09 and 1,166

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Solution

The fourth proportional to 2,897.42, 4,346.09 and 1,166 is: 1,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.42 : 4,346.09 = 1,166 : x
  2. Step 2: Convert to fraction form
    2,897.42/4,346.09 = 1,166/x
  3. Step 3: Cross multiply
    2,897.42x = 4,346.09 × 1,166
  4. Step 4: Simplify right side
    2,897.42x = 5,067,535.11
  5. Step 5: Solve for x
    x = 5,067,535.11/2,897.42
  6. Step 6: Final answer
    x = 1,748.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.