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Finding the Fourth Proportional to 4,795.70, 7,193.55 and 4,139.60

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Solution

The fourth proportional to 4,795.70, 7,193.55 and 4,139.60 is: 6,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795.70 : 7,193.55 = 4,139.60 : x
  2. Step 2: Convert to fraction form
    4,795.70/7,193.55 = 4,139.60/x
  3. Step 3: Cross multiply
    4,795.70x = 7,193.55 × 4,139.60
  4. Step 4: Simplify right side
    4,795.70x = 29,778,419.58
  5. Step 5: Solve for x
    x = 29,778,419.58/4,795.70
  6. Step 6: Final answer
    x = 6,209.40

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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.