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Finding the Fourth Proportional to 2,799.34, 4,197.98 and 1,154.99

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Solution

The fourth proportional to 2,799.34, 4,197.98 and 1,154.99 is: 1,732.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.34 : 4,197.98 = 1,154.99 : x
  2. Step 2: Convert to fraction form
    2,799.34/4,197.98 = 1,154.99/x
  3. Step 3: Cross multiply
    2,799.34x = 4,197.98 × 1,154.99
  4. Step 4: Simplify right side
    2,799.34x = 4,848,631.81
  5. Step 5: Solve for x
    x = 4,848,631.81/2,799.34
  6. Step 6: Final answer
    x = 1,732.06

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1.5x scale

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.