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Finding the Fourth Proportional to 2,897.73, 4,325.13 and 2,827.80

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Solution

The fourth proportional to 2,897.73, 4,325.13 and 2,827.80 is: 4,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.73 : 4,325.13 = 2,827.80 : x
  2. Step 2: Convert to fraction form
    2,897.73/4,325.13 = 2,827.80/x
  3. Step 3: Cross multiply
    2,897.73x = 4,325.13 × 2,827.80
  4. Step 4: Simplify right side
    2,897.73x = 12,230,602.61
  5. Step 5: Solve for x
    x = 12,230,602.61/2,897.73
  6. Step 6: Final answer
    x = 4,220.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.