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Finding the Fourth Proportional to 2,937.64, 4,054.07 and 1,758.48

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Solution

The fourth proportional to 2,937.64, 4,054.07 and 1,758.48 is: 2,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.64 : 4,054.07 = 1,758.48 : x
  2. Step 2: Convert to fraction form
    2,937.64/4,054.07 = 1,758.48/x
  3. Step 3: Cross multiply
    2,937.64x = 4,054.07 × 1,758.48
  4. Step 4: Simplify right side
    2,937.64x = 7,129,011.15
  5. Step 5: Solve for x
    x = 7,129,011.15/2,937.64
  6. Step 6: Final answer
    x = 2,426.78

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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.