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Finding the Fourth Proportional to 3,688.46, 5,090.07 and 2,032.46

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Solution

The fourth proportional to 3,688.46, 5,090.07 and 2,032.46 is: 2,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.46 : 5,090.07 = 2,032.46 : x
  2. Step 2: Convert to fraction form
    3,688.46/5,090.07 = 2,032.46/x
  3. Step 3: Cross multiply
    3,688.46x = 5,090.07 × 2,032.46
  4. Step 4: Simplify right side
    3,688.46x = 10,345,338.22
  5. Step 5: Solve for x
    x = 10,345,338.22/3,688.46
  6. Step 6: Final answer
    x = 2,804.79

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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.