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Finding the Fourth Proportional to 3,357.64, 5,039.53 and 1,799.40

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Solution

The fourth proportional to 3,357.64, 5,039.53 and 1,799.40 is: 2,700.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.64 : 5,039.53 = 1,799.40 : x
  2. Step 2: Convert to fraction form
    3,357.64/5,039.53 = 1,799.40/x
  3. Step 3: Cross multiply
    3,357.64x = 5,039.53 × 1,799.40
  4. Step 4: Simplify right side
    3,357.64x = 9,068,125.78
  5. Step 5: Solve for x
    x = 9,068,125.78/3,357.64
  6. Step 6: Final answer
    x = 2,700.75

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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.