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Finding the Fourth Proportional to 3,574.62, 4,934.52 and 2,690.64

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Solution

The fourth proportional to 3,574.62, 4,934.52 and 2,690.64 is: 3,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.62 : 4,934.52 = 2,690.64 : x
  2. Step 2: Convert to fraction form
    3,574.62/4,934.52 = 2,690.64/x
  3. Step 3: Cross multiply
    3,574.62x = 4,934.52 × 2,690.64
  4. Step 4: Simplify right side
    3,574.62x = 13,277,016.89
  5. Step 5: Solve for x
    x = 13,277,016.89/3,574.62
  6. Step 6: Final answer
    x = 3,714.25

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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.