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Finding the Fourth Proportional to 5,648.70, 7,795.40 and 3,410.14

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Solution

The fourth proportional to 5,648.70, 7,795.40 and 3,410.14 is: 4,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.70 : 7,795.40 = 3,410.14 : x
  2. Step 2: Convert to fraction form
    5,648.70/7,795.40 = 3,410.14/x
  3. Step 3: Cross multiply
    5,648.70x = 7,795.40 × 3,410.14
  4. Step 4: Simplify right side
    5,648.70x = 26,583,390.28
  5. Step 5: Solve for x
    x = 26,583,390.28/5,648.70
  6. Step 6: Final answer
    x = 4,706.11

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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.