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Finding the Fourth Proportional to 3,097.68, 4,274.40 and 1,700.40

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Solution

The fourth proportional to 3,097.68, 4,274.40 and 1,700.40 is: 2,346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.68 : 4,274.40 = 1,700.40 : x
  2. Step 2: Convert to fraction form
    3,097.68/4,274.40 = 1,700.40/x
  3. Step 3: Cross multiply
    3,097.68x = 4,274.40 × 1,700.40
  4. Step 4: Simplify right side
    3,097.68x = 7,268,189.76
  5. Step 5: Solve for x
    x = 7,268,189.76/3,097.68
  6. Step 6: Final answer
    x = 2,346.33

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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.