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Finding the Fourth Proportional to 3,034.66, 4,188.04 and 1,690.37

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Solution

The fourth proportional to 3,034.66, 4,188.04 and 1,690.37 is: 2,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.66 : 4,188.04 = 1,690.37 : x
  2. Step 2: Convert to fraction form
    3,034.66/4,188.04 = 1,690.37/x
  3. Step 3: Cross multiply
    3,034.66x = 4,188.04 × 1,690.37
  4. Step 4: Simplify right side
    3,034.66x = 7,079,336.07
  5. Step 5: Solve for x
    x = 7,079,336.07/3,034.66
  6. Step 6: Final answer
    x = 2,332.83

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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.