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Finding the Fourth Proportional to 3,812.58, 5,741.67 and 3,355.32

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Solution

The fourth proportional to 3,812.58, 5,741.67 and 3,355.32 is: 5,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.58 : 5,741.67 = 3,355.32 : x
  2. Step 2: Convert to fraction form
    3,812.58/5,741.67 = 3,355.32/x
  3. Step 3: Cross multiply
    3,812.58x = 5,741.67 × 3,355.32
  4. Step 4: Simplify right side
    3,812.58x = 19,265,140.18
  5. Step 5: Solve for x
    x = 19,265,140.18/3,812.58
  6. Step 6: Final answer
    x = 5,053.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.