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Finding the Fourth Proportional to 3,907.39, 5,859.69 and 1,133.34

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Solution

The fourth proportional to 3,907.39, 5,859.69 and 1,133.34 is: 1,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.39 : 5,859.69 = 1,133.34 : x
  2. Step 2: Convert to fraction form
    3,907.39/5,859.69 = 1,133.34/x
  3. Step 3: Cross multiply
    3,907.39x = 5,859.69 × 1,133.34
  4. Step 4: Simplify right side
    3,907.39x = 6,641,034.18
  5. Step 5: Solve for x
    x = 6,641,034.18/3,907.39
  6. Step 6: Final answer
    x = 1,699.61

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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.