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Finding the Fourth Proportional to 2,757.62, 3,805.53 and 1,498.68

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Solution

The fourth proportional to 2,757.62, 3,805.53 and 1,498.68 is: 2,068.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.62 : 3,805.53 = 1,498.68 : x
  2. Step 2: Convert to fraction form
    2,757.62/3,805.53 = 1,498.68/x
  3. Step 3: Cross multiply
    2,757.62x = 3,805.53 × 1,498.68
  4. Step 4: Simplify right side
    2,757.62x = 5,703,264.21
  5. Step 5: Solve for x
    x = 5,703,264.21/2,757.62
  6. Step 6: Final answer
    x = 2,068.19

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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.