Home / 3,034.83-4,188.06-1,690.43

Finding the Fourth Proportional to 3,034.83, 4,188.06 and 1,690.43

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Solution

The fourth proportional to 3,034.83, 4,188.06 and 1,690.43 is: 2,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.83 : 4,188.06 = 1,690.43 : x
  2. Step 2: Convert to fraction form
    3,034.83/4,188.06 = 1,690.43/x
  3. Step 3: Cross multiply
    3,034.83x = 4,188.06 × 1,690.43
  4. Step 4: Simplify right side
    3,034.83x = 7,079,632.74
  5. Step 5: Solve for x
    x = 7,079,632.74/3,034.83
  6. Step 6: Final answer
    x = 2,332.79

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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.