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Finding the Fourth Proportional to 2,690.57, 3,713.16 and 1,495.73

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Solution

The fourth proportional to 2,690.57, 3,713.16 and 1,495.73 is: 2,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.57 : 3,713.16 = 1,495.73 : x
  2. Step 2: Convert to fraction form
    2,690.57/3,713.16 = 1,495.73/x
  3. Step 3: Cross multiply
    2,690.57x = 3,713.16 × 1,495.73
  4. Step 4: Simplify right side
    2,690.57x = 5,553,866.24
  5. Step 5: Solve for x
    x = 5,553,866.24/2,690.57
  6. Step 6: Final answer
    x = 2,064.20

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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.