Home / 3,034.80-4,188.11-1,708.43

Finding the Fourth Proportional to 3,034.80, 4,188.11 and 1,708.43

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Solution

The fourth proportional to 3,034.80, 4,188.11 and 1,708.43 is: 2,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.80 : 4,188.11 = 1,708.43 : x
  2. Step 2: Convert to fraction form
    3,034.80/4,188.11 = 1,708.43/x
  3. Step 3: Cross multiply
    3,034.80x = 4,188.11 × 1,708.43
  4. Step 4: Simplify right side
    3,034.80x = 7,155,063.28
  5. Step 5: Solve for x
    x = 7,155,063.28/3,034.80
  6. Step 6: Final answer
    x = 2,357.67

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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.