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Finding the Fourth Proportional to 2,749.52, 3,794.30 and 1,507.52

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Solution

The fourth proportional to 2,749.52, 3,794.30 and 1,507.52 is: 2,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.52 : 3,794.30 = 1,507.52 : x
  2. Step 2: Convert to fraction form
    2,749.52/3,794.30 = 1,507.52/x
  3. Step 3: Cross multiply
    2,749.52x = 3,794.30 × 1,507.52
  4. Step 4: Simplify right side
    2,749.52x = 5,719,983.14
  5. Step 5: Solve for x
    x = 5,719,983.14/2,749.52
  6. Step 6: Final answer
    x = 2,080.36

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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.