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Finding the Fourth Proportional to 4,797.90, 7,197.26 and 1,510.92

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Solution

The fourth proportional to 4,797.90, 7,197.26 and 1,510.92 is: 2,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.90 : 7,197.26 = 1,510.92 : x
  2. Step 2: Convert to fraction form
    4,797.90/7,197.26 = 1,510.92/x
  3. Step 3: Cross multiply
    4,797.90x = 7,197.26 × 1,510.92
  4. Step 4: Simplify right side
    4,797.90x = 10,874,476.52
  5. Step 5: Solve for x
    x = 10,874,476.52/4,797.90
  6. Step 6: Final answer
    x = 2,266.51

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.