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Finding the Fourth Proportional to 4,799.63, 7,197.28 and 1,877.15

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Solution

The fourth proportional to 4,799.63, 7,197.28 and 1,877.15 is: 2,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.63 : 7,197.28 = 1,877.15 : x
  2. Step 2: Convert to fraction form
    4,799.63/7,197.28 = 1,877.15/x
  3. Step 3: Cross multiply
    4,799.63x = 7,197.28 × 1,877.15
  4. Step 4: Simplify right side
    4,799.63x = 13,510,374.15
  5. Step 5: Solve for x
    x = 13,510,374.15/4,799.63
  6. Step 6: Final answer
    x = 2,814.88

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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.