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Finding the Fourth Proportional to 2,750.70, 3,797.28 and 1,742.91

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Solution

The fourth proportional to 2,750.70, 3,797.28 and 1,742.91 is: 2,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.70 : 3,797.28 = 1,742.91 : x
  2. Step 2: Convert to fraction form
    2,750.70/3,797.28 = 1,742.91/x
  3. Step 3: Cross multiply
    2,750.70x = 3,797.28 × 1,742.91
  4. Step 4: Simplify right side
    2,750.70x = 6,618,322.42
  5. Step 5: Solve for x
    x = 6,618,322.42/2,750.70
  6. Step 6: Final answer
    x = 2,406.05

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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.