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Finding the Fourth Proportional to 3,893.60, 5,840.40 and 2,248.70

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Solution

The fourth proportional to 3,893.60, 5,840.40 and 2,248.70 is: 3,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.60 : 5,840.40 = 2,248.70 : x
  2. Step 2: Convert to fraction form
    3,893.60/5,840.40 = 2,248.70/x
  3. Step 3: Cross multiply
    3,893.60x = 5,840.40 × 2,248.70
  4. Step 4: Simplify right side
    3,893.60x = 13,133,307.48
  5. Step 5: Solve for x
    x = 13,133,307.48/3,893.60
  6. Step 6: Final answer
    x = 3,373.05

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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.